static int flic_read_header(AVFormatContext *s,
AVFormatParameters *ap)
{
FlicDemuxContext *flic = s->priv_data;
ByteIOContext *pb = s->pb;
unsigned char header[FLIC_HEADER_SIZE];
AVStream *st, *ast;
int speed;
int magic_number;
unsigned char preamble[FLIC_PREAMBLE_SIZE];
flic->frame_number = 0;
/* load the whole header and pull out the width and height */
if (get_buffer(pb, header, FLIC_HEADER_SIZE) != FLIC_HEADER_SIZE)
return AVERROR(EIO);
magic_number = AV_RL16(&header[4]);
speed = AV_RL32(&header[0x10]);
if (speed == 0)
speed = FLIC_DEFAULT_SPEED;
/* initialize the decoder streams */
st = av_new_stream(s, 0);
if (!st)
return AVERROR(ENOMEM);
flic->video_stream_index = st->index;
st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
st->codec->codec_id = CODEC_ID_FLIC;
st->codec->codec_tag = 0; /* no fourcc */
st->codec->width = AV_RL16(&header[0x08]);
st->codec->height = AV_RL16(&header[0x0A]);
if (!st->codec->width || !st->codec->height) {
/* Ugly hack needed for the following sample: */
/* http://samples.mplayerhq.hu/fli-flc/fli-bugs/specular.flc */
av_log(s, AV_LOG_WARNING,
"File with no specified width/height. Trying 640x480.\n");
st->codec->width = 640;
st->codec->height = 480;
}
/* send over the whole 128-byte FLIC header */
st->codec->extradata_size = FLIC_HEADER_SIZE;
st->codec->extradata = av_malloc(FLIC_HEADER_SIZE);
memcpy(st->codec->extradata, header, FLIC_HEADER_SIZE);
/* peek at the preamble to detect TFTD videos - they seem to always start with an audio chunk */
if (get_buffer(pb, preamble, FLIC_PREAMBLE_SIZE) != FLIC_PREAMBLE_SIZE) {
av_log(s, AV_LOG_ERROR, "Failed to peek at preamble\n");
return AVERROR(EIO);
}
url_fseek(pb, -FLIC_PREAMBLE_SIZE, SEEK_CUR);
/* Time to figure out the framerate:
* If the first preamble's magic number is 0xAAAA then this file is from
* X-COM: Terror from the Deep. If on the other hand there is a FLIC chunk
* magic number at offset 0x10 assume this file is from Magic Carpet instead.
* If neither of the above is true then this is a normal FLIC file.
*/
if (AV_RL16(&preamble[4]) == FLIC_TFTD_CHUNK_AUDIO) {
/* TFTD videos have an extra 22050 Hz 8-bit mono audio stream */
ast = av_new_stream(s, 1);
if (!ast)
return AVERROR(ENOMEM);
flic->audio_stream_index = ast->index;
/* all audio frames are the same size, so use the size of the first chunk for block_align */
ast->codec->block_align = AV_RL32(&preamble[0]);
ast->codec->codec_type = CODEC_TYPE_AUDIO;
ast->codec->codec_id = CODEC_ID_PCM_U8;
ast->codec->codec_tag = 0;
ast->codec->sample_rate = FLIC_TFTD_SAMPLE_RATE;
ast->codec->channels = 1;
ast->codec->sample_fmt = SAMPLE_FMT_U8;
ast->codec->bit_rate = st->codec->sample_rate * 8;
ast->codec->bits_per_coded_sample = 8;
ast->codec->channel_layout = CH_LAYOUT_MONO;
ast->codec->extradata_size = 0;
/* Since the header information is incorrect we have to figure out the
* framerate using block_align and the fact that the audio is 22050 Hz.
* We usually have two cases: 2205 -> 10 fps and 1470 -> 15 fps */
av_set_pts_info(st, 64, ast->codec->block_align, FLIC_TFTD_SAMPLE_RATE);
av_set_pts_info(ast, 64, 1, FLIC_TFTD_SAMPLE_RATE);
} else if (AV_RL16(&header[0x10]) == FLIC_CHUNK_MAGIC_1) {
av_set_pts_info(st, 64, FLIC_MC_SPEED, 70);
/* rewind the stream since the first chunk is at offset 12 */
url_fseek(pb, 12, SEEK_SET);
/* send over abbreviated FLIC header chunk */
av_free(st->codec->extradata);
st->codec->extradata_size = 12;
st->codec->extradata = av_malloc(12);
memcpy(st->codec->extradata, header, 12);
} else if (magic_number == FLIC_FILE_MAGIC_1) {
av_set_pts_info(st, 64, speed, 70);
} else if ((magic_number == FLIC_FILE_MAGIC_2) ||
(magic_number == FLIC_FILE_MAGIC_3)) {
av_set_pts_info(st, 64, speed, 1000);
} else {
av_log(s, AV_LOG_INFO, "Invalid or unsupported magic chunk in file\n");
return AVERROR_INVALIDDATA;
}
return 0;
}
GLboolean GLAPIENTRY
_mesa_UnmapBufferARB(GLenum target)
{
GET_CURRENT_CONTEXT(ctx);
struct gl_buffer_object *bufObj;
GLboolean status = GL_TRUE;
ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE);
bufObj = get_buffer(ctx, "glUnmapBufferARB", target);
if (!bufObj)
return GL_FALSE;
if (!_mesa_bufferobj_mapped(bufObj)) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glUnmapBufferARB");
return GL_FALSE;
}
#ifdef BOUNDS_CHECK
if (bufObj->Access != GL_READ_ONLY_ARB) {
GLubyte *buf = (GLubyte *) bufObj->Pointer;
GLuint i;
/* check that last 100 bytes are still = magic value */
for (i = 0; i < 100; i++) {
GLuint pos = bufObj->Size - i - 1;
if (buf[pos] != 123) {
_mesa_warning(ctx, "Out of bounds buffer object write detected"
" at position %d (value = %u)\n",
pos, buf[pos]);
}
}
}
#endif
#ifdef VBO_DEBUG
if (bufObj->AccessFlags & GL_MAP_WRITE_BIT) {
GLuint i, unchanged = 0;
GLubyte *b = (GLubyte *) bufObj->Pointer;
GLint pos = -1;
/* check which bytes changed */
for (i = 0; i < bufObj->Size - 1; i++) {
if (b[i] == (i & 0xff) && b[i+1] == ((i+1) & 0xff)) {
unchanged++;
if (pos == -1)
pos = i;
}
}
if (unchanged) {
printf("glUnmapBufferARB(%u): %u of %ld unchanged, starting at %d\n",
bufObj->Name, unchanged, bufObj->Size, pos);
}
}
#endif
status = ctx->Driver.UnmapBuffer( ctx, bufObj );
bufObj->AccessFlags = default_access_mode(ctx);
ASSERT(bufObj->Pointer == NULL);
ASSERT(bufObj->Offset == 0);
ASSERT(bufObj->Length == 0);
return status;
}
static int read_header(AVFormatContext *s, AVFormatParameters *ap)
{
int i, header_remaining;
ASSContext *ass = s->priv_data;
ByteIOContext *pb = s->pb;
AVStream *st;
int allocated[2]={0};
uint8_t *p, **dst[2]={0};
int pos[2]={0};
st = av_new_stream(s, 0);
if (!st)
return -1;
av_set_pts_info(st, 64, 1, 100);
st->codec->codec_type = CODEC_TYPE_SUBTITLE;
st->codec->codec_id= CODEC_ID_SSA;
header_remaining= INT_MAX;
dst[0] = &st->codec->extradata;
dst[1] = &ass->event_buffer;
while(!url_feof(pb)){
uint8_t line[MAX_LINESIZE];
get_line(pb, line, sizeof(line));
if(!memcmp(line, "[Events]", 8))
header_remaining= 2;
else if(line[0]=='[')
header_remaining= INT_MAX;
i= header_remaining==0;
if(i && get_pts(line, NULL) == AV_NOPTS_VALUE)
continue;
p = av_fast_realloc(*(dst[i]), &allocated[i], pos[i]+MAX_LINESIZE);
if(!p)
goto fail;
*(dst[i])= p;
memcpy(p + pos[i], line, strlen(line)+1);
pos[i] += strlen(line);
if(i) ass->event_count++;
else {
header_remaining--;
#if 0
if (!header_remaining) {
/* write the header into extrada section */
int len = url_ftell(pb);
st->codec->extradata = av_mallocz(len + 1);
st->codec->extradata_size = len;
url_fseek(pb, 0, SEEK_SET);
get_buffer(pb, st->codec->extradata, len);
}
#endif
}
}
st->codec->extradata_size= pos[0];
if(ass->event_count >= UINT_MAX / sizeof(*ass->event))
goto fail;
ass->event= av_malloc(ass->event_count * sizeof(*ass->event));
p= ass->event_buffer;
for(i=0; i<ass->event_count; i++){
ass->event[i].text= p;
ass->event[i].start_time= get_pts(p, &ass->event[i].end_time);
while(*p && *p != '\n')
p++;
p++;
}
qsort(ass->event, ass->event_count, sizeof(*ass->event), event_cmp);
return 0;
fail:
read_close(s);
return -1;
}
static int jpeg_read(ByteIOContext *f,
int (*alloc_cb)(void *opaque, AVImageInfo *info), void *opaque)
{
AVCodecContext *c;
AVFrame *picture, picture1;
int len, size, got_picture, i;
uint8_t *inbuf_ptr, inbuf[IO_BUF_SIZE];
JpegOpaque jctx;
jctx.alloc_cb = alloc_cb;
jctx.opaque = opaque;
jctx.ret_code = -1; /* default return code is error */
c = avcodec_alloc_context();
if (!c)
return -1;
picture= avcodec_alloc_frame();
if (!picture) {
av_free(c);
return -1;
}
c->opaque = &jctx;
c->get_buffer = jpeg_get_buffer;
c->flags |= CODEC_FLAG_TRUNCATED; /* we dont send complete frames */
if (avcodec_open(c, &mjpeg_decoder) < 0)
goto fail1;
for(;;) {
size = get_buffer(f, inbuf, sizeof(inbuf));
if (size == 0)
break;
inbuf_ptr = inbuf;
while (size > 0) {
len = avcodec_decode_video(c, &picture1, &got_picture,
inbuf_ptr, size);
if (len < 0)
goto fail;
if (got_picture)
goto the_end;
size -= len;
inbuf_ptr += len;
}
}
the_end:
/* XXX: currently, the mjpeg decoder does not use AVFrame, so we
must do it by hand */
if (jpeg_get_buffer(c, picture) < 0)
goto fail;
for(i=0;i<3;i++) {
int w, h;
w = c->width;
h = c->height;
if (i >= 1) {
switch(c->pix_fmt) {
default:
case PIX_FMT_YUV420P:
w = (w + 1) >> 1;
h = (h + 1) >> 1;
break;
case PIX_FMT_YUV422P:
w = (w + 1) >> 1;
break;
case PIX_FMT_YUV444P:
break;
}
}
jpeg_img_copy(picture->data[i], picture->linesize[i],
picture1.data[i], picture1.linesize[i],
w, h);
}
jctx.ret_code = 0;
fail:
avcodec_close(c);
fail1:
av_free(picture);
av_free(c);
return jctx.ret_code;
}
void GLAPIENTRY
_mesa_BufferDataARB(GLenum target, GLsizeiptrARB size,
const GLvoid * data, GLenum usage)
{
GET_CURRENT_CONTEXT(ctx);
struct gl_buffer_object *bufObj;
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (MESA_VERBOSE & VERBOSE_API)
_mesa_debug(ctx, "glBufferData(%s, %ld, %p, %s)\n",
_mesa_lookup_enum_by_nr(target),
(long int) size, data,
_mesa_lookup_enum_by_nr(usage));
if (size < 0) {
_mesa_error(ctx, GL_INVALID_VALUE, "glBufferDataARB(size < 0)");
return;
}
switch (usage) {
case GL_STREAM_DRAW_ARB:
case GL_STREAM_READ_ARB:
case GL_STREAM_COPY_ARB:
case GL_STATIC_DRAW_ARB:
case GL_STATIC_READ_ARB:
case GL_STATIC_COPY_ARB:
case GL_DYNAMIC_DRAW_ARB:
case GL_DYNAMIC_READ_ARB:
case GL_DYNAMIC_COPY_ARB:
/* OK */
break;
default:
_mesa_error(ctx, GL_INVALID_ENUM, "glBufferDataARB(usage)");
return;
}
bufObj = get_buffer(ctx, "glBufferDataARB", target);
if (!bufObj)
return;
if (_mesa_bufferobj_mapped(bufObj)) {
/* Unmap the existing buffer. We'll replace it now. Not an error. */
ctx->Driver.UnmapBuffer(ctx, bufObj);
bufObj->AccessFlags = default_access_mode(ctx);
ASSERT(bufObj->Pointer == NULL);
}
FLUSH_VERTICES(ctx, _NEW_BUFFER_OBJECT);
bufObj->Written = GL_TRUE;
#ifdef VBO_DEBUG
printf("glBufferDataARB(%u, sz %ld, from %p, usage 0x%x)\n",
bufObj->Name, size, data, usage);
#endif
#ifdef BOUNDS_CHECK
size += 100;
#endif
ASSERT(ctx->Driver.BufferData);
if (!ctx->Driver.BufferData( ctx, target, size, data, usage, bufObj )) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glBufferDataARB()");
}
}
ssize_t dst_entry_tcp::fast_send(const struct iovec* p_iov, const ssize_t sz_iov, bool b_blocked /*= true*/, bool is_rexmit /*= false*/, bool dont_inline /*= false*/)
{
tx_packet_template_t* p_pkt;
mem_buf_desc_t *p_mem_buf_desc;
size_t total_packet_len = 0;
// The header is aligned for fast copy but we need to maintain this diff in order to get the real header pointer easily
size_t hdr_alignment_diff = m_header.m_aligned_l2_l3_len - m_header.m_total_hdr_len;
tcp_iovec* p_tcp_iov = NULL;
bool no_copy = true;
if (likely(sz_iov == 1 && !is_rexmit)) {
p_tcp_iov = (tcp_iovec*)p_iov;
if (unlikely(!m_p_ring->is_active_member(p_tcp_iov->p_desc->p_desc_owner, m_id))) {
no_copy = false;
dst_tcp_logdbg("p_desc=%p wrong desc_owner=%p, this ring=%p. did migration occurred?", p_tcp_iov->p_desc, p_tcp_iov->p_desc->p_desc_owner, m_p_ring);
//todo can we handle this in migration (by going over all buffers lwip hold) instead for every send?
}
} else {
no_copy = false;
}
if (unlikely(is_rexmit))
m_p_ring->inc_ring_stats(m_id);
if (likely(no_copy)) {
p_pkt = (tx_packet_template_t*)((uint8_t*)p_tcp_iov[0].iovec.iov_base - m_header.m_aligned_l2_l3_len);
total_packet_len = p_tcp_iov[0].iovec.iov_len + m_header.m_total_hdr_len;
m_header.copy_l2_ip_hdr(p_pkt);
// We've copied to aligned address, and now we must update p_pkt to point to real
// L2 header
//p_pkt = (tx_packet_template_t*)((uint8_t*)p_pkt + hdr_alignment_diff);
p_pkt->hdr.m_ip_hdr.tot_len = (htons)(p_tcp_iov[0].iovec.iov_len + m_header.m_ip_header_len);
m_sge[0].addr = (uintptr_t)((uint8_t*)p_pkt + hdr_alignment_diff);
m_sge[0].length = total_packet_len;
/* for DEBUG */
if ((uint8_t*)m_sge[0].addr < p_tcp_iov[0].p_desc->p_buffer || (uint8_t*)p_pkt < p_tcp_iov[0].p_desc->p_buffer) {
dst_tcp_logerr("p_buffer - addr=%d, m_total_hdr_len=%zd, p_buffer=%p, type=%d, len=%d, tot_len=%d, payload=%p, hdr_alignment_diff=%zd\n",
(int)(p_tcp_iov[0].p_desc->p_buffer - (uint8_t*)m_sge[0].addr), m_header.m_total_hdr_len,
p_tcp_iov[0].p_desc->p_buffer, p_tcp_iov[0].p_desc->lwip_pbuf.pbuf.type,
p_tcp_iov[0].p_desc->lwip_pbuf.pbuf.len, p_tcp_iov[0].p_desc->lwip_pbuf.pbuf.tot_len,
p_tcp_iov[0].p_desc->lwip_pbuf.pbuf.payload, hdr_alignment_diff);
}
if (!dont_inline && (total_packet_len < m_max_inline)) { // inline send
m_p_send_wqe = &m_inline_send_wqe;
} else {
m_p_send_wqe = &m_not_inline_send_wqe;
}
m_p_send_wqe->wr_id = (uintptr_t)p_tcp_iov[0].p_desc;
#ifdef VMA_NO_HW_CSUM
p_pkt->hdr.m_ip_hdr.check = 0; // use 0 at csum calculation time
p_pkt->hdr.m_ip_hdr.check = csum((unsigned short*)&p_pkt->hdr.m_ip_hdr, IPV4_HDR_LEN_WORDS * 2);
struct tcphdr* p_tcphdr = (struct tcphdr*)(((uint8_t*)(&(p_pkt->hdr.m_ip_hdr)) + IPV4_HDR_LEN));
p_tcphdr->check = 0;
p_tcphdr->check = compute_tcp_checksum(&p_pkt->hdr.m_ip_hdr, (const uint16_t *)p_tcphdr);
dst_tcp_logfine("using SW checksum calculation: p_pkt->hdr.m_ip_hdr.check=%d, p_tcphdr->check=%d", (int)p_tcphdr->check, (int)p_pkt->hdr.m_ip_hdr.check);
#endif
m_p_ring->send_lwip_buffer(m_id, m_p_send_wqe, b_blocked);
}
else { // We don'nt support inline in this case, since we believe that this a very rare case
p_mem_buf_desc = get_buffer(b_blocked);
if (p_mem_buf_desc == NULL) {
return -1;
}
m_header.copy_l2_ip_hdr((tx_packet_template_t*)p_mem_buf_desc->p_buffer);
// Actually this is not the real packet len we will subtract the alignment diff at the end of the copy
total_packet_len = m_header.m_aligned_l2_l3_len;
for (int i = 0; i < sz_iov; ++i) {
memcpy(p_mem_buf_desc->p_buffer + total_packet_len, p_iov[i].iov_base, p_iov[i].iov_len);
total_packet_len += p_iov[i].iov_len;
}
m_sge[0].addr = (uintptr_t)(p_mem_buf_desc->p_buffer + hdr_alignment_diff);
m_sge[0].length = total_packet_len - hdr_alignment_diff;
// LKey will be updated in ring->send() // m_sge[0].lkey = p_mem_buf_desc->lkey;
/* for DEBUG */
if ((uint8_t*)m_sge[0].addr < p_mem_buf_desc->p_buffer) {
dst_tcp_logerr("p_buffer - addr=%d, m_total_hdr_len=%zd, p_buffer=%p, type=%d, len=%d, tot_len=%d, payload=%p, hdr_alignment_diff=%zd\n",
(int)(p_mem_buf_desc->p_buffer - (uint8_t*)m_sge[0].addr), m_header.m_total_hdr_len,
p_mem_buf_desc->p_buffer, p_mem_buf_desc->lwip_pbuf.pbuf.type,
p_mem_buf_desc->lwip_pbuf.pbuf.len, p_mem_buf_desc->lwip_pbuf.pbuf.tot_len,
p_mem_buf_desc->lwip_pbuf.pbuf.payload, hdr_alignment_diff);
}
p_pkt = (tx_packet_template_t*)((uint8_t*)p_mem_buf_desc->p_buffer);
p_pkt->hdr.m_ip_hdr.tot_len = (htons)(m_sge[0].length - m_header.m_transport_header_len);
#ifdef VMA_NO_HW_CSUM
p_pkt->hdr.m_ip_hdr.check = 0; // use 0 at csum calculation time
p_pkt->hdr.m_ip_hdr.check = csum((unsigned short*)&p_pkt->hdr.m_ip_hdr, IPV4_HDR_LEN_WORDS * 2);
struct tcphdr* p_tcphdr = (struct tcphdr*)(((uint8_t*)(&(p_pkt->hdr.m_ip_hdr)) + IPV4_HDR_LEN));
p_tcphdr->check = 0;
p_tcphdr->check = compute_tcp_checksum(&p_pkt->hdr.m_ip_hdr, (const uint16_t *)p_tcphdr);
dst_tcp_logfine("using SW checksum calculation: p_pkt->hdr.m_ip_hdr.check=%d, p_tcphdr->check=%d", (int)p_tcphdr->check, (int)p_pkt->hdr.m_ip_hdr.check);
#endif
m_p_send_wqe = &m_not_inline_send_wqe;
m_p_send_wqe->wr_id = (uintptr_t)p_mem_buf_desc;
m_p_ring->send_ring_buffer(m_id, m_p_send_wqe, b_blocked);
}
#ifndef __COVERITY__
struct tcphdr* p_tcp_h = (struct tcphdr*)(((uint8_t*)(&(p_pkt->hdr.m_ip_hdr))+sizeof(p_pkt->hdr.m_ip_hdr)));
dst_tcp_logfunc("Tx TCP segment info: src_port=%d, dst_port=%d, flags='%s%s%s%s%s%s' seq=%u, ack=%u, win=%u, payload_sz=%u",
ntohs(p_tcp_h->source), ntohs(p_tcp_h->dest),
p_tcp_h->urg?"U":"", p_tcp_h->ack?"A":"", p_tcp_h->psh?"P":"",
p_tcp_h->rst?"R":"", p_tcp_h->syn?"S":"", p_tcp_h->fin?"F":"",
ntohl(p_tcp_h->seq), ntohl(p_tcp_h->ack_seq), ntohs(p_tcp_h->window),
total_packet_len- p_tcp_h->doff*4 -34);
#endif
if (unlikely(m_p_tx_mem_buf_desc_list == NULL)) {
m_p_tx_mem_buf_desc_list = m_p_ring->mem_buf_tx_get(m_id, b_blocked, mce_sys.tx_bufs_batch_tcp);
}
return 0;
}
int get_current(struct target *target, int create)
{
struct target_list *head;
head = target->head;
uint8_t *buf;
uint32_t val;
uint32_t ti_addr;
uint8_t *buffer = calloc(1, 4);
struct linux_os *linux_os = (struct linux_os *)
target->rtos->rtos_specific_params;
struct current_thread *ctt = linux_os->current_threads;
/* invalid current threads content */
while (ctt != NULL) {
ctt->threadid = -1;
ctt->TS = 0xdeadbeef;
ctt = ctt->next;
}
while (head != (struct target_list *)NULL) {
struct reg **reg_list;
int reg_list_size;
int retval;
if (target_get_gdb_reg_list(head->target, ®_list,
®_list_size) != ERROR_OK) {
free(buffer);
return ERROR_TARGET_FAILURE;
}
if (!reg_list[13]->valid)
reg_list[13]->type->get(reg_list[13]);
buf = reg_list[13]->value;
val = get_buffer(target, buf);
ti_addr = (val & 0xffffe000);
uint32_t TS_addr = ti_addr + 0xc;
retval = fill_buffer(target, TS_addr, buffer);
if (retval == ERROR_OK) {
uint32_t TS = get_buffer(target, buffer);
uint32_t cpu, on_cpu = TS + ONCPU;
retval = fill_buffer(target, on_cpu, buffer);
if (retval == ERROR_OK) {
/*uint32_t cpu = get_buffer(target, buffer);*/
struct current_thread *ct =
linux_os->current_threads;
cpu = head->target->coreid;
while ((ct != NULL) && (ct->core_id != (int32_t) cpu))
ct = ct->next;
if ((ct != NULL) && (ct->TS == 0xdeadbeef))
ct->TS = TS;
else
LOG_ERROR
("error in linux current thread update");
if (create) {
struct threads *t;
t = calloc(1, sizeof(struct threads));
t->base_addr = ct->TS;
fill_task(target, t);
get_name(target, t);
t->oncpu = cpu;
insert_into_threadlist(target, t);
t->status = 3;
t->thread_info_addr = 0xdeadbeef;
ct->threadid = t->threadid;
linux_os->thread_count++;
#ifdef PID_CHECK
ct->pid = t->pid;
#endif
/*LOG_INFO("Creation of current thread %s",t->name);*/
}
}
}
free(reg_list);
head = head->next;
}
free(buffer);
return ERROR_OK;
}
/**
* read rl2 header data and setup the avstreams
* @param s demuxer context
* @param ap format parameters
* @return 0 on success, AVERROR otherwise
*/
static av_cold int rl2_read_header(AVFormatContext *s,
AVFormatParameters *ap)
{
ByteIOContext *pb = s->pb;
AVStream *st;
unsigned int frame_count;
unsigned int audio_frame_counter = 0;
unsigned int video_frame_counter = 0;
unsigned int back_size;
int data_size;
unsigned short encoding_method;
unsigned short sound_rate;
unsigned short rate;
unsigned short channels;
unsigned short def_sound_size;
unsigned int signature;
unsigned int pts_den = 11025; /* video only case */
unsigned int pts_num = 1103;
unsigned int* chunk_offset = NULL;
int* chunk_size = NULL;
int* audio_size = NULL;
int i;
int ret = 0;
url_fskip(pb,4); /* skip FORM tag */
back_size = get_le32(pb); /** get size of the background frame */
signature = get_be32(pb);
data_size = get_be32(pb);
frame_count = get_le32(pb);
/* disallow back_sizes and frame_counts that may lead to overflows later */
if(back_size > INT_MAX/2 || frame_count > INT_MAX / sizeof(uint32_t))
return AVERROR_INVALIDDATA;
encoding_method = get_le16(pb);
sound_rate = get_le16(pb);
rate = get_le16(pb);
channels = get_le16(pb);
def_sound_size = get_le16(pb);
/** setup video stream */
st = av_new_stream(s, 0);
if(!st)
return AVERROR(ENOMEM);
st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
st->codec->codec_id = CODEC_ID_RL2;
st->codec->codec_tag = 0; /* no fourcc */
st->codec->width = 320;
st->codec->height = 200;
/** allocate and fill extradata */
st->codec->extradata_size = EXTRADATA1_SIZE;
if(signature == RLV3_TAG && back_size > 0)
st->codec->extradata_size += back_size;
st->codec->extradata = av_mallocz(st->codec->extradata_size +
FF_INPUT_BUFFER_PADDING_SIZE);
if(!st->codec->extradata)
return AVERROR(ENOMEM);
if(get_buffer(pb,st->codec->extradata,st->codec->extradata_size) !=
st->codec->extradata_size)
return AVERROR(EIO);
/** setup audio stream if present */
if(sound_rate){
pts_num = def_sound_size;
pts_den = rate;
st = av_new_stream(s, 0);
if (!st)
return AVERROR(ENOMEM);
st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
st->codec->codec_id = CODEC_ID_PCM_U8;
st->codec->codec_tag = 1;
st->codec->channels = channels;
st->codec->bits_per_coded_sample = 8;
st->codec->sample_rate = rate;
st->codec->bit_rate = st->codec->channels * st->codec->sample_rate *
st->codec->bits_per_coded_sample;
st->codec->block_align = st->codec->channels *
st->codec->bits_per_coded_sample / 8;
av_set_pts_info(st,32,1,rate);
}
av_set_pts_info(s->streams[0], 32, pts_num, pts_den);
chunk_size = av_malloc(frame_count * sizeof(uint32_t));
audio_size = av_malloc(frame_count * sizeof(uint32_t));
chunk_offset = av_malloc(frame_count * sizeof(uint32_t));
if(!chunk_size || !audio_size || !chunk_offset){
av_free(chunk_size);
av_free(audio_size);
av_free(chunk_offset);
return AVERROR(ENOMEM);
}
/** read offset and size tables */
for(i=0; i < frame_count;i++)
chunk_size[i] = get_le32(pb);
for(i=0; i < frame_count;i++)
chunk_offset[i] = get_le32(pb);
for(i=0; i < frame_count;i++)
audio_size[i] = get_le32(pb) & 0xFFFF;
/** build the sample index */
for(i=0;i<frame_count;i++){
if(chunk_size[i] < 0 || audio_size[i] > chunk_size[i]){
ret = AVERROR_INVALIDDATA;
break;
}
if(sound_rate && audio_size[i]){
av_add_index_entry(s->streams[1], chunk_offset[i],
audio_frame_counter,audio_size[i], 0, AVINDEX_KEYFRAME);
audio_frame_counter += audio_size[i] / channels;
}
av_add_index_entry(s->streams[0], chunk_offset[i] + audio_size[i],
video_frame_counter,chunk_size[i]-audio_size[i],0,AVINDEX_KEYFRAME);
++video_frame_counter;
}
av_free(chunk_size);
av_free(audio_size);
av_free(chunk_offset);
return ret;
}
void detect_ext234(SECTION *section, int level)
{
unsigned char *buf;
char s[256];
int fslevel, is_journal, is_dev;
u4 blocksize;
u8 blockcount;
if (get_buffer(section, 1024, 1024, (void **)&buf) < 1024)
return;
if (get_le_short(buf + 56) == 0xEF53) {
fslevel = 2;
is_journal = 0;
is_dev = 0;
/* Ext3/4 external journal: INCOMPAT feature JOURNAL_DEV */
if (get_le_long(buf + 96) & 0x0008) {
is_journal = 1;
fslevel = 3; /* at least ext3, ext2 has no journalling */
}
/* Ext3/4 COMPAT feature: HAS_JOURNAL */
if (get_le_long(buf + 92) & 0x0004)
fslevel = 3;
/* Ext4 INCOMPAT features: EXTENTS, 64BIT, FLEX_BG */
//if (get_le_long(buf + 96) & 0x02C0)
// fslevel = 4;
/* Ext4 RO_COMPAT features: HUGE_FILE, GDT_CSUM, DIR_NLINK, EXTRA_ISIZE */
if (get_le_long(buf + 100) & 0x0078)
fslevel = 4;
/* Ext4 sets min_extra_isize even on external journals */
//if (get_le_short(buf + 348) >= 0x1c)
// fslevel = 4;
/* Ext4dev TEST_FILESYS flag */
//if (get_le_long(buf + 352) & 0x0004)
// is_dev = 1;
print_line(level, "Ext%d%s %s", fslevel, is_dev ? "dev" : "",
is_journal ? "external journal" : "file system");
get_string(buf + 120, 16, s);
if (s[0])
print_line(level + 1, "Volume name \"%s\"", s);
format_uuid(buf + 104, s);
print_line(level + 1, "UUID %s", s);
get_string(buf + 136, 64, s);
if (s[0])
print_line(level + 1, "Last mounted at \"%s\"", s);
blocksize = 1024 << get_le_long(buf + 24);
blockcount = get_le_long(buf + 4);
format_blocky_size(s, blockcount, blocksize, "blocks", NULL);
print_line(level + 1, "Volume size %s", s);
/* 76 4 s_rev_level */
/* 62 2 s_minor_rev_level */
/* 72 4 s_creator_os */
/* 92 3x4 s_feature_compat, s_feature_incompat, s_feature_ro_compat */
}
}
static int flic_read_header(AVFormatContext *s,
AVFormatParameters *ap)
{
FlicDemuxContext *flic = (FlicDemuxContext *)s->priv_data;
ByteIOContext *pb = &s->pb;
unsigned char header[FLIC_HEADER_SIZE];
AVStream *st;
int speed;
int magic_number;
flic->pts = 0;
/* load the whole header and pull out the width and height */
if (get_buffer(pb, header, FLIC_HEADER_SIZE) != FLIC_HEADER_SIZE)
return AVERROR_IO;
magic_number = LE_16(&header[4]);
speed = LE_32(&header[0x10]);
/* initialize the decoder streams */
st = av_new_stream(s, 0);
if (!st)
return AVERROR_NOMEM;
flic->video_stream_index = st->index;
st->codec.codec_type = CODEC_TYPE_VIDEO;
st->codec.codec_id = CODEC_ID_FLIC;
st->codec.codec_tag = 0; /* no fourcc */
st->codec.width = LE_16(&header[0x08]);
st->codec.height = LE_16(&header[0x0A]);
if (!st->codec.width || !st->codec.height)
return AVERROR_INVALIDDATA;
/* send over the whole 128-byte FLIC header */
st->codec.extradata_size = FLIC_HEADER_SIZE;
st->codec.extradata = av_malloc(FLIC_HEADER_SIZE);
memcpy(st->codec.extradata, header, FLIC_HEADER_SIZE);
av_set_pts_info(st, 33, 1, 90000);
/* Time to figure out the framerate: If there is a FLIC chunk magic
* number at offset 0x10, assume this is from the Bullfrog game,
* Magic Carpet. */
if (LE_16(&header[0x10]) == FLIC_CHUNK_MAGIC_1) {
flic->frame_pts_inc = FLIC_MC_PTS_INC;
/* rewind the stream since the first chunk is at offset 12 */
url_fseek(pb, 12, SEEK_SET);
/* send over abbreviated FLIC header chunk */
av_free(st->codec.extradata);
st->codec.extradata_size = 12;
st->codec.extradata = av_malloc(12);
memcpy(st->codec.extradata, header, 12);
} else if (magic_number == FLIC_FILE_MAGIC_1) {
/*
* in this case, the speed (n) is number of 1/70s ticks between frames:
*
* pts n * frame #
* -------- = ----------- => pts = n * (90000/70) * frame #
* 90000 70
*
* therefore, the frame pts increment = n * 1285.7
*/
flic->frame_pts_inc = speed * 1285.7;
} else if (magic_number == FLIC_FILE_MAGIC_2) {
/*
* in this case, the speed (n) is number of milliseconds between frames:
*
* pts n * frame #
* -------- = ----------- => pts = n * 90 * frame #
* 90000 1000
*
* therefore, the frame pts increment = n * 90
*/
flic->frame_pts_inc = speed * 90;
} else
return AVERROR_INVALIDDATA;
if (flic->frame_pts_inc == 0)
flic->frame_pts_inc = FLIC_DEFAULT_PTS_INC;
return 0;
}
static int img_read_packet(AVFormatContext *s1, AVPacket *pkt)
{
VideoData *s = s1->priv_data;
char filename[1024];
int i;
int size[3]={0}, ret[3]={0};
ByteIOContext *f[3];
AVCodecContext *codec= s1->streams[0]->codec;
if (!s->is_pipe) {
/* loop over input */
if (s1->loop_input && s->img_number > s->img_last) {
s->img_number = s->img_first;
}
if (s->img_number > s->img_last)
return AVERROR_EOF;
if (av_get_frame_filename(filename, sizeof(filename),
s->path, s->img_number)<0 && s->img_number > 1)
return AVERROR(EIO);
for(i=0; i<3; i++){
if (url_fopen(&f[i], filename, URL_RDONLY) < 0) {
if(i==1)
break;
av_log(s1, AV_LOG_ERROR, "Could not open file : %s\n",filename);
return AVERROR(EIO);
}
size[i]= url_fsize(f[i]);
if(codec->codec_id != CODEC_ID_RAWVIDEO)
break;
filename[ strlen(filename) - 1 ]= 'U' + i;
}
if(codec->codec_id == CODEC_ID_RAWVIDEO && !codec->width)
infer_size(&codec->width, &codec->height, size[0]);
} else {
f[0] = s1->pb;
if (url_feof(f[0]))
return AVERROR(EIO);
size[0]= 4096;
}
av_new_packet(pkt, size[0] + size[1] + size[2]);
pkt->stream_index = 0;
pkt->flags |= AV_PKT_FLAG_KEY;
pkt->size= 0;
for(i=0; i<3; i++){
if(size[i]){
ret[i]= get_buffer(f[i], pkt->data + pkt->size, size[i]);
if (!s->is_pipe)
url_fclose(f[i]);
if(ret[i]>0)
pkt->size += ret[i];
}
}
if (ret[0] <= 0 || ret[1]<0 || ret[2]<0) {
av_free_packet(pkt);
return AVERROR(EIO); /* signal EOF */
} else {
s->img_count++;
s->img_number++;
return 0;
}
}
static int roq_read_header(AVFormatContext *s,
AVFormatParameters *ap)
{
RoqDemuxContext *roq = s->priv_data;
ByteIOContext *pb = &s->pb;
AVStream *st;
unsigned char preamble[RoQ_CHUNK_PREAMBLE_SIZE];
int i;
unsigned int chunk_size;
unsigned int chunk_type;
/* get the main header */
if (get_buffer(pb, preamble, RoQ_CHUNK_PREAMBLE_SIZE) !=
RoQ_CHUNK_PREAMBLE_SIZE)
return AVERROR(EIO);
roq->framerate = AV_RL16(&preamble[6]);
roq->frame_pts_inc = 90000 / roq->framerate;
/* init private context parameters */
roq->width = roq->height = roq->audio_channels = roq->video_pts =
roq->audio_frame_count = 0;
/* scan the first n chunks searching for A/V parameters */
for (i = 0; i < RoQ_CHUNKS_TO_SCAN; i++) {
if (get_buffer(pb, preamble, RoQ_CHUNK_PREAMBLE_SIZE) !=
RoQ_CHUNK_PREAMBLE_SIZE)
return AVERROR(EIO);
chunk_type = AV_RL16(&preamble[0]);
chunk_size = AV_RL32(&preamble[2]);
switch (chunk_type) {
case RoQ_INFO:
/* fetch the width and height; reuse the preamble bytes */
if (get_buffer(pb, preamble, RoQ_CHUNK_PREAMBLE_SIZE) !=
RoQ_CHUNK_PREAMBLE_SIZE)
return AVERROR(EIO);
roq->width = AV_RL16(&preamble[0]);
roq->height = AV_RL16(&preamble[2]);
break;
case RoQ_QUAD_CODEBOOK:
case RoQ_QUAD_VQ:
/* ignore during this scan */
url_fseek(pb, chunk_size, SEEK_CUR);
break;
case RoQ_SOUND_MONO:
roq->audio_channels = 1;
url_fseek(pb, chunk_size, SEEK_CUR);
break;
case RoQ_SOUND_STEREO:
roq->audio_channels = 2;
url_fseek(pb, chunk_size, SEEK_CUR);
break;
default:
av_log(s, AV_LOG_ERROR, " unknown RoQ chunk type (%04X)\n", AV_RL16(&preamble[0]));
return AVERROR_INVALIDDATA;
break;
}
/* if all necessary parameters have been gathered, exit early */
if ((roq->width && roq->height) && roq->audio_channels)
break;
}
/* seek back to the first chunk */
url_fseek(pb, RoQ_CHUNK_PREAMBLE_SIZE, SEEK_SET);
/* initialize the decoders */
st = av_new_stream(s, 0);
if (!st)
return AVERROR(ENOMEM);
/* set the pts reference (1 pts = 1/90000) */
av_set_pts_info(st, 33, 1, 90000);
roq->video_stream_index = st->index;
st->codec->codec_type = CODEC_TYPE_VIDEO;
st->codec->codec_id = CODEC_ID_ROQ;
st->codec->codec_tag = 0; /* no fourcc */
st->codec->width = roq->width;
st->codec->height = roq->height;
if (roq->audio_channels) {
st = av_new_stream(s, 0);
if (!st)
return AVERROR(ENOMEM);
av_set_pts_info(st, 33, 1, 90000);
roq->audio_stream_index = st->index;
st->codec->codec_type = CODEC_TYPE_AUDIO;
st->codec->codec_id = CODEC_ID_ROQ_DPCM;
st->codec->codec_tag = 0; /* no tag */
st->codec->channels = roq->audio_channels;
st->codec->sample_rate = RoQ_AUDIO_SAMPLE_RATE;
st->codec->bits_per_sample = 16;
st->codec->bit_rate = st->codec->channels * st->codec->sample_rate *
st->codec->bits_per_sample;
st->codec->block_align = st->codec->channels * st->codec->bits_per_sample;
}
return 0;
}
static int roq_read_packet(AVFormatContext *s,
AVPacket *pkt)
{
RoqDemuxContext *roq = s->priv_data;
ByteIOContext *pb = &s->pb;
int ret = 0;
unsigned int chunk_size;
unsigned int chunk_type;
unsigned int codebook_size;
unsigned char preamble[RoQ_CHUNK_PREAMBLE_SIZE];
int packet_read = 0;
offset_t codebook_offset;
while (!packet_read) {
if (url_feof(&s->pb))
return AVERROR(EIO);
/* get the next chunk preamble */
if ((ret = get_buffer(pb, preamble, RoQ_CHUNK_PREAMBLE_SIZE)) !=
RoQ_CHUNK_PREAMBLE_SIZE)
return AVERROR(EIO);
chunk_type = AV_RL16(&preamble[0]);
chunk_size = AV_RL32(&preamble[2]);
if(chunk_size > INT_MAX)
return AVERROR_INVALIDDATA;
switch (chunk_type) {
case RoQ_INFO:
/* don't care about this chunk anymore */
url_fseek(pb, RoQ_CHUNK_PREAMBLE_SIZE, SEEK_CUR);
break;
case RoQ_QUAD_CODEBOOK:
/* packet needs to contain both this codebook and next VQ chunk */
codebook_offset = url_ftell(pb) - RoQ_CHUNK_PREAMBLE_SIZE;
codebook_size = chunk_size;
url_fseek(pb, codebook_size, SEEK_CUR);
if (get_buffer(pb, preamble, RoQ_CHUNK_PREAMBLE_SIZE) !=
RoQ_CHUNK_PREAMBLE_SIZE)
return AVERROR(EIO);
chunk_size = AV_RL32(&preamble[2]) + RoQ_CHUNK_PREAMBLE_SIZE * 2 +
codebook_size;
/* rewind */
url_fseek(pb, codebook_offset, SEEK_SET);
/* load up the packet */
ret= av_get_packet(pb, pkt, chunk_size);
if (ret != chunk_size)
return AVERROR(EIO);
pkt->stream_index = roq->video_stream_index;
pkt->pts = roq->video_pts;
roq->video_pts += roq->frame_pts_inc;
packet_read = 1;
break;
case RoQ_SOUND_MONO:
case RoQ_SOUND_STEREO:
case RoQ_QUAD_VQ:
/* load up the packet */
if (av_new_packet(pkt, chunk_size + RoQ_CHUNK_PREAMBLE_SIZE))
return AVERROR(EIO);
/* copy over preamble */
memcpy(pkt->data, preamble, RoQ_CHUNK_PREAMBLE_SIZE);
if (chunk_type == RoQ_QUAD_VQ) {
pkt->stream_index = roq->video_stream_index;
pkt->pts = roq->video_pts;
roq->video_pts += roq->frame_pts_inc;
} else {
pkt->stream_index = roq->audio_stream_index;
pkt->pts = roq->audio_frame_count;
pkt->pts *= 90000;
pkt->pts /= RoQ_AUDIO_SAMPLE_RATE;
roq->audio_frame_count += (chunk_size / roq->audio_channels);
}
pkt->pos= url_ftell(pb);
ret = get_buffer(pb, pkt->data + RoQ_CHUNK_PREAMBLE_SIZE,
chunk_size);
if (ret != chunk_size)
ret = AVERROR(EIO);
packet_read = 1;
break;
default:
av_log(s, AV_LOG_ERROR, " unknown RoQ chunk (%04X)\n", chunk_type);
return AVERROR_INVALIDDATA;
break;
}
}
return ret;
}
static GstFlowReturn
gst_visual_chain (GstPad * pad, GstBuffer * buffer)
{
GstBuffer *outbuf = NULL;
guint i;
GstVisual *visual = GST_VISUAL (gst_pad_get_parent (pad));
GstFlowReturn ret = GST_FLOW_OK;
guint avail;
GST_DEBUG_OBJECT (visual, "chain function called");
/* If we don't have an output format yet, preallocate a buffer to try and
* set one */
if (GST_PAD_CAPS (visual->srcpad) == NULL) {
ret = get_buffer (visual, &outbuf);
if (ret != GST_FLOW_OK) {
gst_buffer_unref (buffer);
goto beach;
}
}
/* resync on DISCONT */
if (GST_BUFFER_FLAG_IS_SET (buffer, GST_BUFFER_FLAG_DISCONT)) {
gst_adapter_clear (visual->adapter);
}
GST_DEBUG_OBJECT (visual,
"Input buffer has %d samples, time=%" G_GUINT64_FORMAT,
GST_BUFFER_SIZE (buffer) / visual->bps, GST_BUFFER_TIMESTAMP (buffer));
gst_adapter_push (visual->adapter, buffer);
while (TRUE) {
gboolean need_skip;
const guint16 *data;
guint64 dist, timestamp;
GST_DEBUG_OBJECT (visual, "processing buffer");
avail = gst_adapter_available (visual->adapter);
GST_DEBUG_OBJECT (visual, "avail now %u", avail);
/* we need at least 512 samples */
if (avail < 512 * visual->bps)
break;
/* we need at least enough samples to make one frame */
if (avail < visual->spf * visual->bps)
break;
/* get timestamp of the current adapter byte */
timestamp = gst_adapter_prev_timestamp (visual->adapter, &dist);
if (GST_CLOCK_TIME_IS_VALID (timestamp)) {
/* convert bytes to time */
dist /= visual->bps;
timestamp += gst_util_uint64_scale_int (dist, GST_SECOND, visual->rate);
}
if (timestamp != -1) {
gint64 qostime;
/* QoS is done on running time */
qostime = gst_segment_to_running_time (&visual->segment, GST_FORMAT_TIME,
timestamp);
GST_OBJECT_LOCK (visual);
/* check for QoS, don't compute buffers that are known to be late */
need_skip = visual->earliest_time != -1 &&
qostime <= visual->earliest_time;
GST_OBJECT_UNLOCK (visual);
if (need_skip) {
GST_WARNING_OBJECT (visual,
"QoS: skip ts: %" GST_TIME_FORMAT ", earliest: %" GST_TIME_FORMAT,
GST_TIME_ARGS (qostime), GST_TIME_ARGS (visual->earliest_time));
goto skip;
}
}
/* Read 512 samples per channel */
data =
(const guint16 *) gst_adapter_peek (visual->adapter, 512 * visual->bps);
#if defined(VISUAL_API_VERSION) && VISUAL_API_VERSION >= 4000 && VISUAL_API_VERSION < 5000
{
VisBuffer *lbuf, *rbuf;
guint16 ldata[512], rdata[512];
VisAudioSampleRateType rate;
lbuf = visual_buffer_new_with_buffer (ldata, sizeof (ldata), NULL);
rbuf = visual_buffer_new_with_buffer (rdata, sizeof (rdata), NULL);
if (visual->channels == 2) {
for (i = 0; i < 512; i++) {
ldata[i] = *data++;
rdata[i] = *data++;
}
} else {
for (i = 0; i < 512; i++) {
ldata[i] = *data;
rdata[i] = *data++;
}
}
switch (visual->rate) {
case 8000:
rate = VISUAL_AUDIO_SAMPLE_RATE_8000;
break;
case 11250:
rate = VISUAL_AUDIO_SAMPLE_RATE_11250;
break;
case 22500:
rate = VISUAL_AUDIO_SAMPLE_RATE_22500;
break;
case 32000:
rate = VISUAL_AUDIO_SAMPLE_RATE_32000;
break;
case 44100:
rate = VISUAL_AUDIO_SAMPLE_RATE_44100;
break;
case 48000:
rate = VISUAL_AUDIO_SAMPLE_RATE_48000;
break;
case 96000:
rate = VISUAL_AUDIO_SAMPLE_RATE_96000;
break;
default:
visual_object_unref (VISUAL_OBJECT (lbuf));
visual_object_unref (VISUAL_OBJECT (rbuf));
GST_ERROR_OBJECT (visual, "unsupported rate %d", visual->rate);
ret = GST_FLOW_ERROR;
goto beach;
break;
}
visual_audio_samplepool_input_channel (visual->audio->samplepool,
lbuf,
rate, VISUAL_AUDIO_SAMPLE_FORMAT_S16,
(char *) VISUAL_AUDIO_CHANNEL_LEFT);
visual_audio_samplepool_input_channel (visual->audio->samplepool, rbuf,
rate, VISUAL_AUDIO_SAMPLE_FORMAT_S16,
(char *) VISUAL_AUDIO_CHANNEL_RIGHT);
visual_object_unref (VISUAL_OBJECT (lbuf));
visual_object_unref (VISUAL_OBJECT (rbuf));
}
#else
if (visual->channels == 2) {
for (i = 0; i < 512; i++) {
visual->audio->plugpcm[0][i] = *data++;
visual->audio->plugpcm[1][i] = *data++;
}
} else {
for (i = 0; i < 512; i++) {
visual->audio->plugpcm[0][i] = *data;
visual->audio->plugpcm[1][i] = *data++;
}
}
#endif
/* alloc a buffer if we don't have one yet, this happens
* when we pushed a buffer in this while loop before */
if (outbuf == NULL) {
ret = get_buffer (visual, &outbuf);
if (ret != GST_FLOW_OK) {
goto beach;
}
}
visual_video_set_buffer (visual->video, GST_BUFFER_DATA (outbuf));
visual_audio_analyze (visual->audio);
visual_actor_run (visual->actor, visual->audio);
visual_video_set_buffer (visual->video, NULL);
GST_DEBUG_OBJECT (visual, "rendered one frame");
GST_BUFFER_TIMESTAMP (outbuf) = timestamp;
GST_BUFFER_DURATION (outbuf) = visual->duration;
ret = gst_pad_push (visual->srcpad, outbuf);
outbuf = NULL;
skip:
GST_DEBUG_OBJECT (visual, "finished frame, flushing %u samples from input",
visual->spf);
/* Flush out the number of samples per frame */
gst_adapter_flush (visual->adapter, visual->spf * visual->bps);
/* quit the loop if something was wrong */
if (ret != GST_FLOW_OK)
break;
}
beach:
if (outbuf != NULL)
gst_buffer_unref (outbuf);
gst_object_unref (visual);
return ret;
}
/**
* \brief read until we found all data needed for decoding
* \param vst video stream of which to change parameters
* \param ast video stream of which to change parameters
* \param myth set if this is a MythTVVideo format file
* \return 1 if all required codec data was found
*/
static int get_codec_data(ByteIOContext *pb, AVStream *vst,
AVStream *ast, int myth) {
nuv_frametype frametype;
if (!vst && !myth)
return 1; // no codec data needed
while (!url_feof(pb)) {
int size, subtype;
frametype = get_byte(pb);
switch (frametype) {
case NUV_EXTRADATA:
subtype = get_byte(pb);
url_fskip(pb, 6);
size = PKTSIZE(get_le32(pb));
if (vst && subtype == 'R') {
vst->codec->extradata_size = size;
vst->codec->extradata = av_malloc(size);
get_buffer(pb, vst->codec->extradata, size);
size = 0;
if (!myth)
return 1;
}
break;
case NUV_MYTHEXT:
url_fskip(pb, 7);
size = PKTSIZE(get_le32(pb));
if (size != 128 * 4)
break;
get_le32(pb); // version
if (vst) {
vst->codec->codec_tag = get_le32(pb);
vst->codec->codec_id =
ff_codec_get_id(ff_codec_bmp_tags, vst->codec->codec_tag);
if (vst->codec->codec_tag == MKTAG('R', 'J', 'P', 'G'))
vst->codec->codec_id = CODEC_ID_NUV;
} else
url_fskip(pb, 4);
if (ast) {
ast->codec->codec_tag = get_le32(pb);
ast->codec->sample_rate = get_le32(pb);
ast->codec->bits_per_coded_sample = get_le32(pb);
ast->codec->channels = get_le32(pb);
ast->codec->codec_id =
ff_wav_codec_get_id(ast->codec->codec_tag,
ast->codec->bits_per_coded_sample);
ast->need_parsing = AVSTREAM_PARSE_FULL;
} else
url_fskip(pb, 4 * 4);
size -= 6 * 4;
url_fskip(pb, size);
return 1;
case NUV_SEEKP:
size = 11;
break;
default:
url_fskip(pb, 7);
size = PKTSIZE(get_le32(pb));
break;
}
url_fskip(pb, size);
}
return 0;
}
void detect_linux_lvm2(SECTION *section, int level)
{
unsigned char *buf;
int at, i;
char s[256];
u8 labelsector;
u4 labeloffset;
u8 pvsize, mdoffset, mdsize;
int mda_version;
for (at = 0; at < 4; at++) {
if (get_buffer(section, at * 512, 512, (void **)&buf) < 512)
continue;
/* check signature */
if (memcmp(buf, "LABELONE", 8) != 0)
continue;
labelsector = get_le_quad(buf + 8);
labeloffset = get_le_long(buf + 20);
if (memcmp(buf + 24, "LVM2 001", 8) != 0) {
get_string(buf + 24, 8, s);
print_line(level, "LABELONE label at sector %d, unknown type \"%s\"",
at, s);
return;
}
print_line(level, "Linux LVM2 volume, version 001");
print_line(level + 1, "LABELONE label at sector %d",
at);
if (labeloffset >= 512 || labelsector > 256 ||
labelsector != at) {
print_line(level + 1, "LABELONE data inconsistent, aborting analysis");
return;
}
/* "UUID" of this physical volume */
format_uuid_lvm(buf + labeloffset, s);
print_line(level + 1, "PV UUID %s", s);
/* raw volume size */
pvsize = get_le_quad(buf + labeloffset + 32);
format_size_verbose(s, pvsize);
print_line(level + 1, "Volume size %s", s);
/* find first metadata area in list */
mdoffset = 0;
for (i = 0; i < 16; i++)
if (get_le_quad(buf + labeloffset + 40 + i * 16) == 0) {
i++;
mdoffset = get_le_quad(buf + labeloffset + 40 + i * 16);
mdsize = get_le_quad(buf + labeloffset + 40 + i * 16 + 8);
break;
}
if (mdoffset == 0)
return;
if (get_buffer(section, mdoffset, mdsize, (void **)&buf) < mdsize)
return;
if (memcmp(buf + 4, " LVM2 x[5A%r0N*>", 16) != 0)
return;
mda_version = get_le_long(buf + 20);
print_line(level + 1, "Meta-data version %d", mda_version);
/* TODO: parse the metadata area (big task...) */
return;
}
}
static int thp_read_header(AVFormatContext *s,
AVFormatParameters *ap)
{
ThpDemuxContext *thp = s->priv_data;
AVStream *st;
ByteIOContext *pb = s->pb;
int i;
/* Read the file header. */
get_be32(pb); /* Skip Magic. */
thp->version = get_be32(pb);
get_be32(pb); /* Max buf size. */
get_be32(pb); /* Max samples. */
thp->fps = av_d2q(av_int2flt(get_be32(pb)), INT_MAX);
thp->framecnt = get_be32(pb);
thp->first_framesz = get_be32(pb);
get_be32(pb); /* Data size. */
thp->compoff = get_be32(pb);
get_be32(pb); /* offsetDataOffset. */
thp->first_frame = get_be32(pb);
thp->last_frame = get_be32(pb);
thp->next_framesz = thp->first_framesz;
thp->next_frame = thp->first_frame;
/* Read the component structure. */
url_fseek (pb, thp->compoff, SEEK_SET);
thp->compcount = get_be32(pb);
/* Read the list of component types. */
get_buffer(pb, thp->components, 16);
for (i = 0; i < thp->compcount; i++) {
if (thp->components[i] == 0) {
if (thp->vst != 0)
break;
/* Video component. */
st = av_new_stream(s, 0);
if (!st)
return AVERROR(ENOMEM);
/* The denominator and numerator are switched because 1/fps
is required. */
av_set_pts_info(st, 64, thp->fps.den, thp->fps.num);
st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
st->codec->codec_id = CODEC_ID_THP;
st->codec->codec_tag = 0; /* no fourcc */
st->codec->width = get_be32(pb);
st->codec->height = get_be32(pb);
st->codec->sample_rate = av_q2d(thp->fps);
thp->vst = st;
thp->video_stream_index = st->index;
if (thp->version == 0x11000)
get_be32(pb); /* Unknown. */
} else if (thp->components[i] == 1) {
if (thp->has_audio != 0)
break;
/* Audio component. */
st = av_new_stream(s, 0);
if (!st)
return AVERROR(ENOMEM);
st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
st->codec->codec_id = CODEC_ID_ADPCM_THP;
st->codec->codec_tag = 0; /* no fourcc */
st->codec->channels = get_be32(pb); /* numChannels. */
st->codec->sample_rate = get_be32(pb); /* Frequency. */
av_set_pts_info(st, 64, 1, st->codec->sample_rate);
thp->audio_stream_index = st->index;
thp->has_audio = 1;
}
}
return 0;
}
/*
* This function may be called to allocate rte_mbuf from existing pool.
* Paramters: None
* Returns: a pointer to rte_mbuf, if succeeded, NULL if failed
*
*/
struct rte_mbuf *app_glue_get_buffer()
{
return get_buffer();
}
void
receive_data (void)
{
unsigned int count;
u_short perm;
char *buffer;
int bufsize;
int fd;
int len, len2;
int error;
char exists;
int readsize;
if (debug)
diag("receiving data");
if ((tempmode&SEND_OVER) == 0)
exists = 0;
else if ( ! get_exists ( &exists ) )
efatal("server read failed");
if (debug)
diag("exists %d", exists);
if (exists) {
if ( ! get_perm ( &perm ) )
efatal("server read failed");
if ( ! get_count ( &count ) )
efatal("server read failed");
} else {
perm = 0600;
count = 0;
}
concat ( temppath, sizeof(temppath), tempdir, "/", tempfile, NULL );
tempfile = temppath;
if (debug) {
diag("perm %#o, count %d", perm, count);
diag("d: %s f: %s p: %s", tempdir, tempfile, temppath );
}
fd = open ( tempfile, O_CREAT | O_RDWR, 0600 );
if (debug)
diag("tempfile %s", tempfile);
if (fchmod(fd, (mode_t) (perm & ( S_IRWXU | S_IRWXG | S_IRWXO ) ) ) < 0)
efatal("fchmod failed");
if (!exists)
(void) unlink(tempfile);
if (count == 0) {
(void) close(fd);
return;
}
/*
* should check for space on disk, but could be expensive and unreliable
*/
if ((bufsize = count) > 10*1024)
buffer = (char *) malloc(bufsize = 10*1024);
else
buffer = (char *) malloc(bufsize);
if (buffer == NULL)
fatal("malloc failed");
while (count != 0) {
if (debug)
diag("loop count %d", count);
if ( count > bufsize )
readsize = bufsize;
else
readsize = count;
/* if */
get_buffer ( buffer, &len, readsize, fd );
if ((len2 = write(fd, buffer, len)) != len) {
error = errno;
(void) close(fd);
(void) unlink(tempfile);
(void) rmdir(tempdir);
errno = error;
efatal("write", error);
}
count -= len;
if (count < bufsize)
bufsize = count;
}
if (close(fd) < 0) {
error = errno;
(void) unlink(tempfile);
(void) rmdir(tempdir);
errno = error;
efatal("close");
}
(void) free(buffer);
if (debug)
diag("transfer complete");
} /* end receive_data */
static int read_header(AVFormatContext *s,
AVFormatParameters *ap)
{
AnmDemuxContext *anm = s->priv_data;
ByteIOContext *pb = s->pb;
AVStream *st;
int i, ret;
url_fskip(pb, 4); /* magic number */
if (get_le16(pb) != MAX_PAGES) {
av_log_ask_for_sample(s, "max_pages != " AV_STRINGIFY(MAX_PAGES) "\n");
return AVERROR_INVALIDDATA;
}
anm->nb_pages = get_le16(pb);
anm->nb_records = get_le32(pb);
url_fskip(pb, 2); /* max records per page */
anm->page_table_offset = get_le16(pb);
if (get_le32(pb) != ANIM_TAG)
return AVERROR_INVALIDDATA;
/* video stream */
st = av_new_stream(s, 0);
if (!st)
return AVERROR(ENOMEM);
st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
st->codec->codec_id = CODEC_ID_ANM;
st->codec->codec_tag = 0; /* no fourcc */
st->codec->width = get_le16(pb);
st->codec->height = get_le16(pb);
if (get_byte(pb) != 0)
goto invalid;
url_fskip(pb, 1); /* frame rate multiplier info */
/* ignore last delta record (used for looping) */
if (get_byte(pb)) /* has_last_delta */
anm->nb_records = FFMAX(anm->nb_records - 1, 0);
url_fskip(pb, 1); /* last_delta_valid */
if (get_byte(pb) != 0)
goto invalid;
if (get_byte(pb) != 1)
goto invalid;
url_fskip(pb, 1); /* other recs per frame */
if (get_byte(pb) != 1)
goto invalid;
url_fskip(pb, 32); /* record_types */
st->nb_frames = get_le32(pb);
av_set_pts_info(st, 64, 1, get_le16(pb));
url_fskip(pb, 58);
/* color cycling and palette data */
st->codec->extradata_size = 16*8 + 4*256;
st->codec->extradata = av_mallocz(st->codec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
if (!st->codec->extradata) {
ret = AVERROR(ENOMEM);
goto close_and_return;
}
ret = get_buffer(pb, st->codec->extradata, st->codec->extradata_size);
if (ret < 0)
goto close_and_return;
/* read page table */
ret = url_fseek(pb, anm->page_table_offset, SEEK_SET);
if (ret < 0)
goto close_and_return;
for (i = 0; i < MAX_PAGES; i++) {
Page *p = &anm->pt[i];
p->base_record = get_le16(pb);
p->nb_records = get_le16(pb);
p->size = get_le16(pb);
}
/* find page of first frame */
anm->page = find_record(anm, 0);
if (anm->page < 0) {
ret = anm->page;
goto close_and_return;
}
anm->record = -1;
return 0;
invalid:
av_log_ask_for_sample(s, NULL);
ret = AVERROR_INVALIDDATA;
close_and_return:
av_close_input_stream(s);
return ret;
}
struct cpu_context *cpu_context_read(struct target *target, uint32_t base_addr,
uint32_t *thread_info_addr_old)
{
struct cpu_context *context = calloc(1, sizeof(struct cpu_context));
uint32_t preempt_count_addr = 0;
uint32_t registers[10];
uint8_t *buffer = calloc(1, 4);
uint32_t stack = base_addr + QAT;
uint32_t thread_info_addr = 0;
uint32_t thread_info_addr_update = 0;
int retval = ERROR_FAIL;
context->R4 = 0xdeadbeef;
context->R5 = 0xdeadbeef;
context->R6 = 0xdeadbeef;
context->R7 = 0xdeadbeef;
context->R8 = 0xdeadbeef;
context->R9 = 0xdeadbeef;
context->IP = 0xdeadbeef;
context->FP = 0xdeadbeef;
context->SP = 0xdeadbeef;
context->PC = 0xdeadbeef;
retry:
if (*thread_info_addr_old == 0xdeadbeef) {
retval = fill_buffer(target, stack, buffer);
if (retval == ERROR_OK)
thread_info_addr = get_buffer(target, buffer);
else
LOG_ERROR("cpu_context: unable to read memory");
thread_info_addr_update = thread_info_addr;
} else
thread_info_addr = *thread_info_addr_old;
preempt_count_addr = thread_info_addr + PREEMPT;
retval = fill_buffer(target, preempt_count_addr, buffer);
if (retval == ERROR_OK)
context->preempt_count = get_buffer(target, buffer);
else {
if (*thread_info_addr_old != 0xdeadbeef) {
LOG_ERROR
("cpu_context: cannot read at thread_info_addr");
if (*thread_info_addr_old < LINUX_USER_KERNEL_BORDER)
LOG_INFO
("cpu_context : thread_info_addr in userspace!!!");
*thread_info_addr_old = 0xdeadbeef;
goto retry;
}
LOG_ERROR("cpu_context: unable to read memory");
}
thread_info_addr += CPU_CONT;
retval = linux_read_memory(target, thread_info_addr, 4, 10,
(uint8_t *) registers);
if (retval != ERROR_OK) {
free(buffer);
LOG_ERROR("cpu_context: unable to read memory\n");
return context;
}
context->R4 =
target_buffer_get_u32(target, (const uint8_t *)®isters[0]);
context->R5 =
target_buffer_get_u32(target, (const uint8_t *)®isters[1]);
context->R6 =
target_buffer_get_u32(target, (const uint8_t *)®isters[2]);
context->R7 =
target_buffer_get_u32(target, (const uint8_t *)®isters[3]);
context->R8 =
target_buffer_get_u32(target, (const uint8_t *)®isters[4]);
context->R9 =
target_buffer_get_u32(target, (const uint8_t *)®isters[5]);
context->IP =
target_buffer_get_u32(target, (const uint8_t *)®isters[6]);
context->FP =
target_buffer_get_u32(target, (const uint8_t *)®isters[7]);
context->SP =
target_buffer_get_u32(target, (const uint8_t *)®isters[8]);
context->PC =
target_buffer_get_u32(target, (const uint8_t *)®isters[9]);
if (*thread_info_addr_old == 0xdeadbeef)
*thread_info_addr_old = thread_info_addr_update;
free(buffer);
return context;
}
static int smacker_read_packet(AVFormatContext *s, AVPacket *pkt)
{
SmackerContext *smk = s->priv_data;
int flags;
int ret;
int i;
int frame_size = 0;
int palchange = 0;
int pos;
if (url_feof(s->pb) || smk->cur_frame >= smk->frames)
return AVERROR_EOF;
/* if we demuxed all streams, pass another frame */
if(smk->curstream < 0) {
url_fseek(s->pb, smk->nextpos, 0);
frame_size = smk->frm_size[smk->cur_frame] & (~3);
flags = smk->frm_flags[smk->cur_frame];
/* handle palette change event */
pos = url_ftell(s->pb);
if(flags & SMACKER_PAL){
int size, sz, t, off, j, pos;
uint8_t *pal = smk->pal;
uint8_t oldpal[768];
memcpy(oldpal, pal, 768);
size = get_byte(s->pb);
size = size * 4 - 1;
frame_size -= size;
frame_size--;
sz = 0;
pos = url_ftell(s->pb) + size;
while(sz < 256){
t = get_byte(s->pb);
if(t & 0x80){ /* skip palette entries */
sz += (t & 0x7F) + 1;
pal += ((t & 0x7F) + 1) * 3;
} else if(t & 0x40){ /* copy with offset */
off = get_byte(s->pb) * 3;
j = (t & 0x3F) + 1;
while(j-- && sz < 256) {
*pal++ = oldpal[off + 0];
*pal++ = oldpal[off + 1];
*pal++ = oldpal[off + 2];
sz++;
off += 3;
}
} else { /* new entries */
*pal++ = smk_pal[t];
*pal++ = smk_pal[get_byte(s->pb) & 0x3F];
*pal++ = smk_pal[get_byte(s->pb) & 0x3F];
sz++;
}
}
url_fseek(s->pb, pos, 0);
palchange |= 1;
}
flags >>= 1;
smk->curstream = -1;
/* if audio chunks are present, put them to stack and retrieve later */
for(i = 0; i < 7; i++) {
if(flags & 1) {
int size;
size = get_le32(s->pb) - 4;
frame_size -= size;
frame_size -= 4;
smk->curstream++;
smk->bufs[smk->curstream] = av_realloc(smk->bufs[smk->curstream], size);
smk->buf_sizes[smk->curstream] = size;
ret = get_buffer(s->pb, smk->bufs[smk->curstream], size);
if(ret != size)
return AVERROR(EIO);
smk->stream_id[smk->curstream] = smk->indexes[i];
}
flags >>= 1;
}
if (av_new_packet(pkt, frame_size + 768))
return AVERROR(ENOMEM);
if(smk->frm_size[smk->cur_frame] & 1)
palchange |= 2;
pkt->data[0] = palchange;
memcpy(pkt->data + 1, smk->pal, 768);
ret = get_buffer(s->pb, pkt->data + 769, frame_size);
if(ret != frame_size)
return AVERROR(EIO);
pkt->stream_index = smk->videoindex;
pkt->size = ret + 769;
smk->cur_frame++;
smk->nextpos = url_ftell(s->pb);
} else {
/**
* See GL_ARB_map_buffer_range spec
*/
void * GLAPIENTRY
_mesa_MapBufferRange(GLenum target, GLintptr offset, GLsizeiptr length,
GLbitfield access)
{
GET_CURRENT_CONTEXT(ctx);
struct gl_buffer_object *bufObj;
void *map;
ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, NULL);
if (!ctx->Extensions.ARB_map_buffer_range) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glMapBufferRange(extension not supported)");
return NULL;
}
if (offset < 0) {
_mesa_error(ctx, GL_INVALID_VALUE,
"glMapBufferRange(offset = %ld)", (long)offset);
return NULL;
}
if (length < 0) {
_mesa_error(ctx, GL_INVALID_VALUE,
"glMapBufferRange(length = %ld)", (long)length);
return NULL;
}
if (access & ~(GL_MAP_READ_BIT |
GL_MAP_WRITE_BIT |
GL_MAP_INVALIDATE_RANGE_BIT |
GL_MAP_INVALIDATE_BUFFER_BIT |
GL_MAP_FLUSH_EXPLICIT_BIT |
GL_MAP_UNSYNCHRONIZED_BIT)) {
/* generate an error if any undefind bit is set */
_mesa_error(ctx, GL_INVALID_VALUE, "glMapBufferRange(access)");
return NULL;
}
if ((access & (GL_MAP_READ_BIT | GL_MAP_WRITE_BIT)) == 0) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glMapBufferRange(access indicates neither read or write)");
return NULL;
}
if ((access & GL_MAP_READ_BIT) &&
(access & (GL_MAP_INVALIDATE_RANGE_BIT |
GL_MAP_INVALIDATE_BUFFER_BIT |
GL_MAP_UNSYNCHRONIZED_BIT))) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glMapBufferRange(invalid access flags)");
return NULL;
}
if ((access & GL_MAP_FLUSH_EXPLICIT_BIT) &&
((access & GL_MAP_WRITE_BIT) == 0)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glMapBufferRange(invalid access flags)");
return NULL;
}
bufObj = get_buffer(ctx, "glMapBufferRange", target);
if (!bufObj)
return NULL;
if (offset + length > bufObj->Size) {
_mesa_error(ctx, GL_INVALID_VALUE,
"glMapBufferRange(offset + length > size)");
return NULL;
}
if (_mesa_bufferobj_mapped(bufObj)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glMapBufferRange(buffer already mapped)");
return NULL;
}
if (!bufObj->Size) {
_mesa_error(ctx, GL_OUT_OF_MEMORY,
"glMapBufferRange(buffer size = 0)");
return NULL;
}
/* Mapping zero bytes should return a non-null pointer. */
if (!length) {
static long dummy = 0;
bufObj->Pointer = &dummy;
bufObj->Length = length;
bufObj->Offset = offset;
bufObj->AccessFlags = access;
return bufObj->Pointer;
}
ASSERT(ctx->Driver.MapBufferRange);
map = ctx->Driver.MapBufferRange(ctx, offset, length, access, bufObj);
if (!map) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glMapBufferARB(map failed)");
}
else {
/* The driver callback should have set all these fields.
* This is important because other modules (like VBO) might call
* the driver function directly.
*/
ASSERT(bufObj->Pointer == map);
ASSERT(bufObj->Length == length);
ASSERT(bufObj->Offset == offset);
ASSERT(bufObj->AccessFlags == access);
}
return map;
}
static int smacker_read_header(AVFormatContext *s, AVFormatParameters *ap)
{
ByteIOContext *pb = s->pb;
SmackerContext *smk = s->priv_data;
AVStream *st, *ast[7];
int i, ret;
int tbase;
/* read and check header */
smk->magic = get_le32(pb);
if (smk->magic != MKTAG('S', 'M', 'K', '2') && smk->magic != MKTAG('S', 'M', 'K', '4'))
return -1;
smk->width = get_le32(pb);
smk->height = get_le32(pb);
smk->frames = get_le32(pb);
smk->pts_inc = (int32_t)get_le32(pb);
smk->flags = get_le32(pb);
if(smk->flags & SMACKER_FLAG_RING_FRAME)
smk->frames++;
for(i = 0; i < 7; i++)
smk->audio[i] = get_le32(pb);
smk->treesize = get_le32(pb);
if(smk->treesize >= UINT_MAX/4){ // smk->treesize + 16 must not overflow (this check is probably redundant)
av_log(s, AV_LOG_ERROR, "treesize too large\n");
return -1;
}
//FIXME remove extradata "rebuilding"
smk->mmap_size = get_le32(pb);
smk->mclr_size = get_le32(pb);
smk->full_size = get_le32(pb);
smk->type_size = get_le32(pb);
for(i = 0; i < 7; i++)
smk->rates[i] = get_le32(pb);
smk->pad = get_le32(pb);
/* setup data */
if(smk->frames > 0xFFFFFF) {
av_log(s, AV_LOG_ERROR, "Too many frames: %i\n", smk->frames);
return -1;
}
smk->frm_size = av_malloc(smk->frames * 4);
smk->frm_flags = av_malloc(smk->frames);
smk->is_ver4 = (smk->magic != MKTAG('S', 'M', 'K', '2'));
/* read frame info */
for(i = 0; i < smk->frames; i++) {
smk->frm_size[i] = get_le32(pb);
}
for(i = 0; i < smk->frames; i++) {
smk->frm_flags[i] = get_byte(pb);
}
/* init video codec */
st = av_new_stream(s, 0);
if (!st)
return -1;
smk->videoindex = st->index;
st->codec->width = smk->width;
st->codec->height = smk->height;
st->codec->pix_fmt = PIX_FMT_PAL8;
st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
st->codec->codec_id = CODEC_ID_SMACKVIDEO;
st->codec->codec_tag = smk->magic;
/* Smacker uses 100000 as internal timebase */
if(smk->pts_inc < 0)
smk->pts_inc = -smk->pts_inc;
else
smk->pts_inc *= 100;
tbase = 100000;
av_reduce(&tbase, &smk->pts_inc, tbase, smk->pts_inc, (1UL<<31)-1);
av_set_pts_info(st, 33, smk->pts_inc, tbase);
st->duration = smk->frames;
/* handle possible audio streams */
for(i = 0; i < 7; i++) {
smk->indexes[i] = -1;
if(smk->rates[i] & 0xFFFFFF){
ast[i] = av_new_stream(s, 0);
smk->indexes[i] = ast[i]->index;
ast[i]->codec->codec_type = AVMEDIA_TYPE_AUDIO;
if (smk->rates[i] & SMK_AUD_BINKAUD) {
ast[i]->codec->codec_id = CODEC_ID_BINKAUDIO_RDFT;
} else if (smk->rates[i] & SMK_AUD_USEDCT) {
ast[i]->codec->codec_id = CODEC_ID_BINKAUDIO_DCT;
} else if (smk->rates[i] & SMK_AUD_PACKED){
ast[i]->codec->codec_id = CODEC_ID_SMACKAUDIO;
ast[i]->codec->codec_tag = MKTAG('S', 'M', 'K', 'A');
} else {
ast[i]->codec->codec_id = CODEC_ID_PCM_U8;
}
ast[i]->codec->channels = (smk->rates[i] & SMK_AUD_STEREO) ? 2 : 1;
ast[i]->codec->sample_rate = smk->rates[i] & 0xFFFFFF;
ast[i]->codec->bits_per_coded_sample = (smk->rates[i] & SMK_AUD_16BITS) ? 16 : 8;
if(ast[i]->codec->bits_per_coded_sample == 16 && ast[i]->codec->codec_id == CODEC_ID_PCM_U8)
ast[i]->codec->codec_id = CODEC_ID_PCM_S16LE;
av_set_pts_info(ast[i], 64, 1, ast[i]->codec->sample_rate
* ast[i]->codec->channels * ast[i]->codec->bits_per_coded_sample / 8);
}
}
/* load trees to extradata, they will be unpacked by decoder */
st->codec->extradata = av_malloc(smk->treesize + 16);
st->codec->extradata_size = smk->treesize + 16;
if(!st->codec->extradata){
av_log(s, AV_LOG_ERROR, "Cannot allocate %i bytes of extradata\n", smk->treesize + 16);
av_free(smk->frm_size);
av_free(smk->frm_flags);
return -1;
}
ret = get_buffer(pb, st->codec->extradata + 16, st->codec->extradata_size - 16);
if(ret != st->codec->extradata_size - 16){
av_free(smk->frm_size);
av_free(smk->frm_flags);
return AVERROR(EIO);
}
((int32_t*)st->codec->extradata)[0] = av_le2ne32(smk->mmap_size);
((int32_t*)st->codec->extradata)[1] = av_le2ne32(smk->mclr_size);
((int32_t*)st->codec->extradata)[2] = av_le2ne32(smk->full_size);
((int32_t*)st->codec->extradata)[3] = av_le2ne32(smk->type_size);
smk->curstream = -1;
smk->nextpos = url_ftell(pb);
return 0;
}
void * GLAPIENTRY
_mesa_MapBufferARB(GLenum target, GLenum access)
{
GET_CURRENT_CONTEXT(ctx);
struct gl_buffer_object * bufObj;
GLbitfield accessFlags;
void *map;
ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, NULL);
switch (access) {
case GL_READ_ONLY_ARB:
accessFlags = GL_MAP_READ_BIT;
break;
case GL_WRITE_ONLY_ARB:
accessFlags = GL_MAP_WRITE_BIT;
break;
case GL_READ_WRITE_ARB:
accessFlags = GL_MAP_READ_BIT | GL_MAP_WRITE_BIT;
break;
default:
_mesa_error(ctx, GL_INVALID_ENUM, "glMapBufferARB(access)");
return NULL;
}
bufObj = get_buffer(ctx, "glMapBufferARB", target);
if (!bufObj)
return NULL;
if (_mesa_bufferobj_mapped(bufObj)) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glMapBufferARB(already mapped)");
return NULL;
}
if (!bufObj->Size) {
_mesa_error(ctx, GL_OUT_OF_MEMORY,
"glMapBuffer(buffer size = 0)");
return NULL;
}
ASSERT(ctx->Driver.MapBufferRange);
map = ctx->Driver.MapBufferRange(ctx, 0, bufObj->Size, accessFlags, bufObj);
if (!map) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glMapBufferARB(map failed)");
return NULL;
}
else {
/* The driver callback should have set these fields.
* This is important because other modules (like VBO) might call
* the driver function directly.
*/
ASSERT(bufObj->Pointer == map);
ASSERT(bufObj->Length == bufObj->Size);
ASSERT(bufObj->Offset == 0);
bufObj->AccessFlags = accessFlags;
}
if (access == GL_WRITE_ONLY_ARB || access == GL_READ_WRITE_ARB)
bufObj->Written = GL_TRUE;
#ifdef VBO_DEBUG
printf("glMapBufferARB(%u, sz %ld, access 0x%x)\n",
bufObj->Name, bufObj->Size, access);
if (access == GL_WRITE_ONLY_ARB) {
GLuint i;
GLubyte *b = (GLubyte *) bufObj->Pointer;
for (i = 0; i < bufObj->Size; i++)
b[i] = i & 0xff;
}
#endif
#ifdef BOUNDS_CHECK
{
GLubyte *buf = (GLubyte *) bufObj->Pointer;
GLuint i;
/* buffer is 100 bytes larger than requested, fill with magic value */
for (i = 0; i < 100; i++) {
buf[bufObj->Size - i - 1] = 123;
}
}
#endif
return bufObj->Pointer;
}
static int nuv_header(AVFormatContext *s, AVFormatParameters *ap) {
NUVContext *ctx = s->priv_data;
ByteIOContext *pb = s->pb;
char id_string[12];
double aspect, fps;
int is_mythtv, width, height, v_packs, a_packs;
int stream_nr = 0;
AVStream *vst = NULL, *ast = NULL;
get_buffer(pb, id_string, 12);
is_mythtv = !memcmp(id_string, "MythTVVideo", 12);
url_fskip(pb, 5); // version string
url_fskip(pb, 3); // padding
width = get_le32(pb);
height = get_le32(pb);
get_le32(pb); // unused, "desiredwidth"
get_le32(pb); // unused, "desiredheight"
get_byte(pb); // 'P' == progressive, 'I' == interlaced
url_fskip(pb, 3); // padding
aspect = av_int2dbl(get_le64(pb));
if (aspect > 0.9999 && aspect < 1.0001)
aspect = 4.0 / 3.0;
fps = av_int2dbl(get_le64(pb));
// number of packets per stream type, -1 means unknown, e.g. streaming
v_packs = get_le32(pb);
a_packs = get_le32(pb);
get_le32(pb); // text
get_le32(pb); // keyframe distance (?)
if (v_packs) {
ctx->v_id = stream_nr++;
vst = av_new_stream(s, ctx->v_id);
if (!vst)
return AVERROR(ENOMEM);
vst->codec->codec_type = CODEC_TYPE_VIDEO;
vst->codec->codec_id = CODEC_ID_NUV;
vst->codec->width = width;
vst->codec->height = height;
vst->codec->bits_per_coded_sample = 10;
vst->sample_aspect_ratio = av_d2q(aspect * height / width, 10000);
vst->r_frame_rate = av_d2q(fps, 60000);
av_set_pts_info(vst, 32, 1, 1000);
} else
ctx->v_id = -1;
if (a_packs) {
ctx->a_id = stream_nr++;
ast = av_new_stream(s, ctx->a_id);
if (!ast)
return AVERROR(ENOMEM);
ast->codec->codec_type = CODEC_TYPE_AUDIO;
ast->codec->codec_id = CODEC_ID_PCM_S16LE;
ast->codec->channels = 2;
ast->codec->sample_rate = 44100;
ast->codec->bit_rate = 2 * 2 * 44100 * 8;
ast->codec->block_align = 2 * 2;
ast->codec->bits_per_coded_sample = 16;
av_set_pts_info(ast, 32, 1, 1000);
} else
ctx->a_id = -1;
get_codec_data(pb, vst, ast, is_mythtv);
ctx->rtjpg_video = vst && vst->codec->codec_id == CODEC_ID_NUV;
return 0;
}
/// The commandline builtin. It is used for specifying a new value for the commandline.
int builtin_commandline(parser_t &parser, io_streams_t &streams, wchar_t **argv) {
wgetopter_t w;
int buffer_part = 0;
int cut_at_cursor = 0;
int argc = builtin_count_args(argv);
int append_mode = 0;
int function_mode = 0;
int selection_mode = 0;
int tokenize = 0;
int cursor_mode = 0;
int line_mode = 0;
int search_mode = 0;
int paging_mode = 0;
const wchar_t *begin = NULL, *end = NULL;
scoped_push<const wchar_t *> saved_current_buffer(¤t_buffer);
scoped_push<size_t> saved_current_cursor_pos(¤t_cursor_pos);
wcstring transient_commandline;
if (get_top_transient(&transient_commandline)) {
current_buffer = transient_commandline.c_str();
current_cursor_pos = transient_commandline.size();
} else {
current_buffer = reader_get_buffer();
current_cursor_pos = reader_get_cursor_pos();
}
if (!get_buffer()) {
if (is_interactive_session) {
// Prompt change requested while we don't have a prompt, most probably while reading the
// init files. Just ignore it.
return 1;
}
streams.err.append(argv[0]);
streams.err.append(L": Can not set commandline in non-interactive mode\n");
builtin_print_help(parser, streams, argv[0], streams.err);
return 1;
}
w.woptind = 0;
while (1) {
static const struct woption long_options[] = {{L"append", no_argument, 0, 'a'},
{L"insert", no_argument, 0, 'i'},
{L"replace", no_argument, 0, 'r'},
{L"current-job", no_argument, 0, 'j'},
{L"current-process", no_argument, 0, 'p'},
{L"current-token", no_argument, 0, 't'},
{L"current-buffer", no_argument, 0, 'b'},
{L"cut-at-cursor", no_argument, 0, 'c'},
{L"function", no_argument, 0, 'f'},
{L"tokenize", no_argument, 0, 'o'},
{L"help", no_argument, 0, 'h'},
{L"input", required_argument, 0, 'I'},
{L"cursor", no_argument, 0, 'C'},
{L"line", no_argument, 0, 'L'},
{L"search-mode", no_argument, 0, 'S'},
{L"selection", no_argument, 0, 's'},
{L"paging-mode", no_argument, 0, 'P'},
{0, 0, 0, 0}};
int opt_index = 0;
int opt = w.wgetopt_long(argc, argv, L"abijpctwforhI:CLSsP", long_options, &opt_index);
if (opt == -1) break;
switch (opt) {
case 0: {
if (long_options[opt_index].flag != 0) break;
streams.err.append_format(BUILTIN_ERR_UNKNOWN, argv[0],
long_options[opt_index].name);
builtin_print_help(parser, streams, argv[0], streams.err);
return 1;
}
case L'a': {
append_mode = APPEND_MODE;
break;
}
case L'b': {
buffer_part = STRING_MODE;
break;
}
case L'i': {
append_mode = INSERT_MODE;
break;
}
case L'r': {
append_mode = REPLACE_MODE;
break;
}
case 'c': {
cut_at_cursor = 1;
break;
}
case 't': {
buffer_part = TOKEN_MODE;
break;
}
case 'j': {
buffer_part = JOB_MODE;
break;
}
case 'p': {
buffer_part = PROCESS_MODE;
break;
}
case 'f': {
function_mode = 1;
break;
}
case 'o': {
tokenize = 1;
break;
}
case 'I': {
current_buffer = w.woptarg;
current_cursor_pos = wcslen(w.woptarg);
break;
}
case 'C': {
cursor_mode = 1;
break;
}
case 'L': {
line_mode = 1;
break;
}
case 'S': {
search_mode = 1;
break;
}
case 's': {
selection_mode = 1;
break;
}
case 'P': {
paging_mode = 1;
break;
}
case 'h': {
builtin_print_help(parser, streams, argv[0], streams.out);
return 0;
}
case L'?': {
builtin_unknown_option(parser, streams, argv[0], argv[w.woptind - 1]);
return 1;
}
}
}
if (function_mode) {
int i;
// Check for invalid switch combinations.
if (buffer_part || cut_at_cursor || append_mode || tokenize || cursor_mode || line_mode ||
search_mode || paging_mode) {
streams.err.append_format(BUILTIN_ERR_COMBO, argv[0]);
builtin_print_help(parser, streams, argv[0], streams.err);
return 1;
}
if (argc == w.woptind) {
streams.err.append_format(BUILTIN_ERR_MISSING, argv[0]);
builtin_print_help(parser, streams, argv[0], streams.err);
return 1;
}
for (i = w.woptind; i < argc; i++) {
wchar_t c = input_function_get_code(argv[i]);
if (c != INPUT_CODE_NONE) {
// input_unreadch inserts the specified keypress or readline function at the back of
// the queue of unused keypresses.
input_queue_ch(c);
} else {
streams.err.append_format(_(L"%ls: Unknown input function '%ls'\n"), argv[0],
argv[i]);
builtin_print_help(parser, streams, argv[0], streams.err);
return 1;
}
}
return 0;
}
if (selection_mode) {
size_t start, len;
const wchar_t *buffer = reader_get_buffer();
if (reader_get_selection(&start, &len)) {
streams.out.append(buffer + start, len);
}
return 0;
}
// Check for invalid switch combinations.
if ((search_mode || line_mode || cursor_mode || paging_mode) && (argc - w.woptind > 1)) {
streams.err.append_format(argv[0], L": Too many arguments\n", NULL);
builtin_print_help(parser, streams, argv[0], streams.err);
return 1;
}
if ((buffer_part || tokenize || cut_at_cursor) &&
(cursor_mode || line_mode || search_mode || paging_mode)) {
streams.err.append_format(BUILTIN_ERR_COMBO, argv[0]);
builtin_print_help(parser, streams, argv[0], streams.err);
return 1;
}
if ((tokenize || cut_at_cursor) && (argc - w.woptind)) {
streams.err.append_format(
BUILTIN_ERR_COMBO2, argv[0],
L"--cut-at-cursor and --tokenize can not be used when setting the commandline");
builtin_print_help(parser, streams, argv[0], streams.err);
return 1;
}
if (append_mode && !(argc - w.woptind)) {
streams.err.append_format(
BUILTIN_ERR_COMBO2, argv[0],
L"insertion mode switches can not be used when not in insertion mode");
builtin_print_help(parser, streams, argv[0], streams.err);
return 1;
}
// Set default modes.
if (!append_mode) {
append_mode = REPLACE_MODE;
}
if (!buffer_part) {
buffer_part = STRING_MODE;
}
if (cursor_mode) {
if (argc - w.woptind) {
wchar_t *endptr;
long new_pos;
errno = 0;
new_pos = wcstol(argv[w.woptind], &endptr, 10);
if (*endptr || errno) {
streams.err.append_format(BUILTIN_ERR_NOT_NUMBER, argv[0], argv[w.woptind]);
builtin_print_help(parser, streams, argv[0], streams.err);
}
current_buffer = reader_get_buffer();
new_pos = maxi(0L, mini(new_pos, (long)wcslen(current_buffer)));
reader_set_buffer(current_buffer, (size_t)new_pos);
return 0;
} else {
streams.out.append_format(L"%lu\n", (unsigned long)reader_get_cursor_pos());
return 0;
}
}
if (line_mode) {
size_t pos = reader_get_cursor_pos();
const wchar_t *buff = reader_get_buffer();
streams.out.append_format(L"%lu\n", (unsigned long)parse_util_lineno(buff, pos));
return 0;
}
if (search_mode) {
return !reader_search_mode();
}
if (paging_mode) {
return !reader_has_pager_contents();
}
switch (buffer_part) {
case STRING_MODE: {
begin = get_buffer();
end = begin + wcslen(begin);
break;
}
case PROCESS_MODE: {
parse_util_process_extent(get_buffer(), get_cursor_pos(), &begin, &end);
break;
}
case JOB_MODE: {
parse_util_job_extent(get_buffer(), get_cursor_pos(), &begin, &end);
break;
}
case TOKEN_MODE: {
parse_util_token_extent(get_buffer(), get_cursor_pos(), &begin, &end, 0, 0);
break;
}
}
switch (argc - w.woptind) {
case 0: {
write_part(begin, end, cut_at_cursor, tokenize, streams);
break;
}
case 1: {
replace_part(begin, end, argv[w.woptind], append_mode);
break;
}
default: {
wcstring sb = argv[w.woptind];
for (int i = w.woptind + 1; i < argc; i++) {
sb.push_back(L'\n');
sb.append(argv[i]);
}
replace_part(begin, end, sb.c_str(), append_mode);
break;
}
}
return 0;
}
static int nuv_packet(AVFormatContext *s, AVPacket *pkt) {
NUVContext *ctx = s->priv_data;
ByteIOContext *pb = s->pb;
uint8_t hdr[HDRSIZE];
nuv_frametype frametype;
int ret, size;
while (!url_feof(pb)) {
int copyhdrsize = ctx->rtjpg_video ? HDRSIZE : 0;
uint64_t pos = url_ftell(pb);
ret = get_buffer(pb, hdr, HDRSIZE);
if (ret < HDRSIZE)
return ret < 0 ? ret : AVERROR(EIO);
frametype = hdr[0];
size = PKTSIZE(AV_RL32(&hdr[8]));
switch (frametype) {
case NUV_EXTRADATA:
if (!ctx->rtjpg_video) {
url_fskip(pb, size);
break;
}
case NUV_VIDEO:
if (ctx->v_id < 0) {
av_log(s, AV_LOG_ERROR, "Video packet in file without video stream!\n");
url_fskip(pb, size);
break;
}
ret = av_new_packet(pkt, copyhdrsize + size);
if (ret < 0)
return ret;
// HACK: we have no idea if it is a keyframe,
// but if we mark none seeking will not work at all.
pkt->flags |= PKT_FLAG_KEY;
pkt->pos = pos;
pkt->pts = AV_RL32(&hdr[4]);
pkt->stream_index = ctx->v_id;
memcpy(pkt->data, hdr, copyhdrsize);
ret = get_buffer(pb, pkt->data + copyhdrsize, size);
if (ret < 0) {
av_free_packet(pkt);
return ret;
}
if (ret < size)
av_shrink_packet(pkt, copyhdrsize + ret);
return 0;
case NUV_AUDIO:
if (ctx->a_id < 0) {
av_log(s, AV_LOG_ERROR, "Audio packet in file without audio stream!\n");
url_fskip(pb, size);
break;
}
ret = av_get_packet(pb, pkt, size);
pkt->flags |= PKT_FLAG_KEY;
pkt->pos = pos;
pkt->pts = AV_RL32(&hdr[4]);
pkt->stream_index = ctx->a_id;
if (ret < 0) return ret;
return 0;
case NUV_SEEKP:
// contains no data, size value is invalid
break;
default:
url_fskip(pb, size);
break;
}
}
return AVERROR(EIO);
}
void PrintNotesNoteAddin::on_draw_page(const Glib::RefPtr<Gtk::PrintContext>& context, guint page_nr)
{
Cairo::RefPtr<Cairo::Context> cr = context->get_cairo_context();
cr->move_to (m_margin_left, m_margin_top);
PageBreak start;
if (page_nr != 0) {
start = m_page_breaks [page_nr - 1];
}
PageBreak end(-1, -1);
if (m_page_breaks.size() > page_nr) {
end = m_page_breaks [page_nr];
}
Gtk::TextIter position;
Gtk::TextIter end_iter;
get_buffer()->get_bounds (position, end_iter);
// Fast-forward to the starting line
while (position.get_line() < start.get_paragraph()) {
position.forward_line ();
}
bool done = position.compare (end_iter) >= 0;
while (!done) {
Gtk::TextIter line_end = position;
if (!line_end.ends_line ()) {
line_end.forward_to_line_end ();
}
int paragraph_number = position.get_line();
int indentation;
{
Glib::RefPtr<Pango::Layout> layout =
create_layout_for_paragraph (context,position, line_end, indentation);
for(int line_number = 0;
line_number < layout->get_line_count() && !done;
line_number++) {
// Skip the lines up to the starting line in the
// first paragraph on this page
if ((paragraph_number == start.get_paragraph()) &&
(line_number < start.get_line())) {
continue;
}
// Break as soon as we hit the end line
if ((paragraph_number == end.get_paragraph()) &&
(line_number == end.get_line())) {
done = true;
break;
}
Glib::RefPtr<Pango::LayoutLine> line = layout->get_line(line_number);
Pango::Rectangle ink_rect;
Pango::Rectangle logical_rect;
line->get_extents (ink_rect, logical_rect);
double curX, curY;
cr->get_current_point(curX, curY);
cr->move_to (m_margin_left + indentation, curY);
int line_height = pango_units_to_double(logical_rect.get_height());
double x, y;
x = m_margin_left + indentation;
cr->get_current_point(curX, curY);
y = curY + line_height;
pango_cairo_show_layout_line(cr->cobj(), line->gobj());
cr->move_to(x, y);
}
}
position.forward_line ();
done = done || (position.compare (end_iter) >= 0);
}
// Print the footer
int total_height = context->get_height();
int total_width = context->get_width();
int footer_height = 0;
double footer_anchor_x, footer_anchor_y;
{
Glib::RefPtr<Pango::Layout> pages_footer
= create_layout_for_pagenumbers (context, page_nr + 1,
m_page_breaks.size() + 1);
Pango::Rectangle ink_footer_rect;
Pango::Rectangle logical_footer_rect;
pages_footer->get_extents(ink_footer_rect, logical_footer_rect);
footer_anchor_x = cm_to_pixel(0.5, context->get_dpi_x());
footer_anchor_y = total_height - m_margin_bottom;
footer_height = pango_units_to_double(logical_footer_rect.get_height());
cr->move_to(total_width - pango_units_to_double(logical_footer_rect.get_width()) - cm_to_pixel(0.5, context->get_dpi_x()), footer_anchor_y);
pango_cairo_show_layout_line(cr->cobj(),
(pages_footer->get_line(0))->gobj());
}
cr->move_to(footer_anchor_x, footer_anchor_y);
pango_cairo_show_layout_line(cr->cobj(),
(m_timestamp_footer->get_line(0))->gobj());
cr->move_to(cm_to_pixel(0.5, context->get_dpi_x()),
total_height - m_margin_bottom - footer_height);
cr->line_to(total_width - cm_to_pixel(0.5, context->get_dpi_x()),
total_height - m_margin_bottom - footer_height);
cr->stroke();
}
static int flic_read_packet(AVFormatContext *s,
AVPacket *pkt)
{
FlicDemuxContext *flic = s->priv_data;
ByteIOContext *pb = s->pb;
int packet_read = 0;
unsigned int size;
int magic;
int ret = 0;
unsigned char preamble[FLIC_PREAMBLE_SIZE];
while (!packet_read) {
if ((ret = get_buffer(pb, preamble, FLIC_PREAMBLE_SIZE)) !=
FLIC_PREAMBLE_SIZE) {
ret = AVERROR(EIO);
break;
}
size = AV_RL32(&preamble[0]);
magic = AV_RL16(&preamble[4]);
if (((magic == FLIC_CHUNK_MAGIC_1) || (magic == FLIC_CHUNK_MAGIC_2)) && size > FLIC_PREAMBLE_SIZE) {
if (av_new_packet(pkt, size)) {
ret = AVERROR(EIO);
break;
}
pkt->stream_index = flic->video_stream_index;
pkt->pts = flic->frame_number++;
pkt->pos = url_ftell(pb);
memcpy(pkt->data, preamble, FLIC_PREAMBLE_SIZE);
ret = get_buffer(pb, pkt->data + FLIC_PREAMBLE_SIZE,
size - FLIC_PREAMBLE_SIZE);
if (ret != size - FLIC_PREAMBLE_SIZE) {
av_free_packet(pkt);
ret = AVERROR(EIO);
}
packet_read = 1;
} else if (magic == FLIC_TFTD_CHUNK_AUDIO) {
if (av_new_packet(pkt, size)) {
ret = AVERROR(EIO);
break;
}
/* skip useless 10B sub-header (yes, it's not accounted for in the chunk header) */
url_fseek(pb, 10, SEEK_CUR);
pkt->stream_index = flic->audio_stream_index;
pkt->pos = url_ftell(pb);
ret = get_buffer(pb, pkt->data, size);
if (ret != size) {
av_free_packet(pkt);
ret = AVERROR(EIO);
}
packet_read = 1;
} else {
/* not interested in this chunk */
url_fseek(pb, size - 6, SEEK_CUR);
}
}
return ret;
}
