int av_samples_get_buffer_size(int *linesize, int nb_channels, int nb_samples,
enum AVSampleFormat sample_fmt, int align)
{
int line_size;
int sample_size = av_get_bytes_per_sample(sample_fmt);
int planar = av_sample_fmt_is_planar(sample_fmt);
/* validate parameter ranges */
if (!sample_size || nb_samples <= 0 || nb_channels <= 0)
return AVERROR(EINVAL);
/* check for integer overflow */
if (nb_channels > INT_MAX / align ||
(int64_t)nb_channels * nb_samples > (INT_MAX - (align * nb_channels)) / sample_size)
return AVERROR(EINVAL);
line_size = planar ? FFALIGN(nb_samples * sample_size, align) :
FFALIGN(nb_samples * sample_size * nb_channels, align);
if (linesize)
*linesize = line_size;
return planar ? line_size * nb_channels : line_size;
}
static int dxv_init(AVCodecContext *avctx)
{
DXVContext *ctx = avctx->priv_data;
int ret = av_image_check_size(avctx->width, avctx->height, 0, avctx);
if (ret < 0) {
av_log(avctx, AV_LOG_ERROR, "Invalid image size %dx%d.\n",
avctx->width, avctx->height);
return ret;
}
/* Codec requires 16x16 alignment. */
avctx->coded_width = FFALIGN(avctx->width, 16);
avctx->coded_height = FFALIGN(avctx->height, 16);
ff_texturedsp_init(&ctx->texdsp);
avctx->pix_fmt = AV_PIX_FMT_RGBA;
ctx->slice_count = av_clip(avctx->thread_count, 1,
avctx->coded_height / TEXTURE_BLOCK_H);
return 0;
}
/**
* Backward synthesis filter, find the LPC coefficients from past speech data.
*/
static void backward_filter(RA288Context *ractx,
float *hist, float *rec, const float *window,
float *lpc, const float *tab,
int order, int n, int non_rec, int move_size)
{
float temp[MAX_BACKWARD_FILTER_ORDER+1];
do_hybrid_window(ractx, order, n, non_rec, temp, hist, rec, window);
if (!compute_lpc_coefs(temp, order, lpc, 0, 1, 1))
ractx->fdsp->vector_fmul(lpc, lpc, tab, FFALIGN(order, 16));
memmove(hist, hist + n, move_size*sizeof(*hist));
}
static int ffmal_copy_frame(AVCodecContext *avctx, AVFrame *frame,
MMAL_BUFFER_HEADER_T *buffer)
{
MMALDecodeContext *ctx = avctx->priv_data;
int ret = 0;
if (avctx->pix_fmt == AV_PIX_FMT_MMAL) {
if (!ctx->pool_out)
return AVERROR_UNKNOWN; // format change code failed with OOM previously
if ((ret = ff_decode_frame_props(avctx, frame)) < 0)
goto done;
if ((ret = ffmmal_set_ref(frame, ctx->pool_out, buffer)) < 0)
goto done;
} else {
int w = FFALIGN(avctx->width, 32);
int h = FFALIGN(avctx->height, 16);
uint8_t *src[4];
int linesize[4];
if ((ret = ff_get_buffer(avctx, frame, 0)) < 0)
goto done;
av_image_fill_arrays(src, linesize,
buffer->data + buffer->type->video.offset[0],
avctx->pix_fmt, w, h, 1);
av_image_copy(frame->data, frame->linesize, src, linesize,
avctx->pix_fmt, avctx->width, avctx->height);
}
frame->pkt_pts = buffer->pts == MMAL_TIME_UNKNOWN ? AV_NOPTS_VALUE : buffer->pts;
frame->pkt_dts = AV_NOPTS_VALUE;
done:
return ret;
}
static int msrle_decode_frame(AVCodecContext *avctx,
void *data, int *data_size,
AVPacket *avpkt)
{
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
MsrleContext *s = avctx->priv_data;
int istride = FFALIGN(avctx->width*avctx->bits_per_coded_sample, 32) / 8;
s->buf = buf;
s->size = buf_size;
s->frame.reference = 1;
s->frame.buffer_hints = FF_BUFFER_HINTS_VALID | FF_BUFFER_HINTS_PRESERVE | FF_BUFFER_HINTS_REUSABLE;
if (avctx->reget_buffer(avctx, &s->frame)) {
av_log(avctx, AV_LOG_ERROR, "reget_buffer() failed\n");
return -1;
}
if (s->avctx->palctrl) {
/* make the palette available */
memcpy(s->frame.data[1], s->avctx->palctrl->palette, AVPALETTE_SIZE);
if (s->avctx->palctrl->palette_changed) {
s->frame.palette_has_changed = 1;
s->avctx->palctrl->palette_changed = 0;
}
}
/* FIXME how to correctly detect RLE ??? */
if (avctx->height * istride == avpkt->size) { /* assume uncompressed */
int linesize = avctx->width * avctx->bits_per_coded_sample / 8;
uint8_t *ptr = s->frame.data[0];
uint8_t *buf = avpkt->data + (avctx->height-1)*istride;
int i, j;
for (i = 0; i < avctx->height; i++) {
if (avctx->bits_per_coded_sample == 4) {
for (j = 0; j < avctx->width - 1; j += 2) {
ptr[j+0] = buf[j>>1] >> 4;
ptr[j+1] = buf[j>>1] & 0xF;
}
if (avctx->width & 1)
ptr[j+0] = buf[j>>1] >> 4;
} else {
memcpy(ptr, buf, linesize);
}
buf -= istride;
ptr += s->frame.linesize[0];
}
static int w64_read_header(AVFormatContext *s, AVFormatParameters *ap)
{
int64_t size;
ByteIOContext *pb = s->pb;
WAVContext *wav = s->priv_data;
AVStream *st;
uint8_t guid[16];
get_buffer(pb, guid, 16);
if (memcmp(guid, guid_riff, 16))
return -1;
if (get_le64(pb) < 16 + 8 + 16 + 8 + 16 + 8) /* riff + wave + fmt + sizes */
return -1;
get_buffer(pb, guid, 16);
if (memcmp(guid, guid_wave, 16)) {
av_log(s, AV_LOG_ERROR, "could not find wave guid\n");
return -1;
}
size = find_guid(pb, guid_fmt);
if (size < 0) {
av_log(s, AV_LOG_ERROR, "could not find fmt guid\n");
return -1;
}
st = av_new_stream(s, 0);
if (!st)
return AVERROR(ENOMEM);
/* subtract chunk header size - normal wav file doesn't count it */
ff_get_wav_header(pb, st->codec, size - 24);
url_fskip(pb, FFALIGN(size, INT64_C(8)) - size);
st->need_parsing = AVSTREAM_PARSE_FULL;
av_set_pts_info(st, 64, 1, st->codec->sample_rate);
size = find_guid(pb, guid_data);
if (size < 0) {
av_log(s, AV_LOG_ERROR, "could not find data guid\n");
return -1;
}
wav->data_end = url_ftell(pb) + size - 24;
wav->w64 = 1;
return 0;
}
// Filter data through filter
static af_data_t* play(struct af_instance_s* af, af_data_t* data)
{
af_resample_t *s = af->setup;
int ret;
int8_t *in = (int8_t*)data->audio;
int8_t *out;
int chans = data->nch;
int in_len = data->len;
int out_len = in_len * af->mul + 10;
if(AF_OK != RESIZE_LOCAL_BUFFER(af,data))
return NULL;
av_fast_malloc(&s->tmp[0], &s->tmp_alloc, FFALIGN(out_len,32));
if(s->tmp[0] == NULL) return NULL;
out= (int8_t*)af->data->audio;
out_len= FFMIN(out_len, af->data->len);
av_fast_malloc(&s->in[0], &s->in_alloc, FFALIGN(in_len,32));
if(s->in[0] == NULL) return NULL;
memcpy(s->in[0], in, in_len);
ret = swr_convert(s->swrctx, &s->tmp[0], out_len/chans/2, &s->in[0], in_len/chans/2);
if (ret < 0) return NULL;
out_len= ret*chans*2;
memcpy(out, s->tmp[0], out_len);
data->audio = af->data->audio;
data->len = out_len;
data->rate = af->data->rate;
return data;
}
static int codec_reinit(AVCodecContext *avctx, int width, int height,
int quality)
{
NuvContext *c = avctx->priv_data;
int ret;
width = FFALIGN(width, 2);
height = FFALIGN(height, 2);
if (quality >= 0)
get_quant_quality(c, quality);
if (width != c->width || height != c->height) {
// also reserve space for a possible additional header
int buf_size = height * width * 3 / 2
+ FFMAX(AV_LZO_OUTPUT_PADDING, FF_INPUT_BUFFER_PADDING_SIZE)
+ RTJPEG_HEADER_SIZE;
if (buf_size > INT_MAX/8)
return -1;
if ((ret = av_image_check_size(height, width, 0, avctx)) < 0)
return ret;
avctx->width = c->width = width;
avctx->height = c->height = height;
av_fast_malloc(&c->decomp_buf, &c->decomp_size,
buf_size);
if (!c->decomp_buf) {
av_log(avctx, AV_LOG_ERROR,
"Can't allocate decompression buffer.\n");
return AVERROR(ENOMEM);
}
ff_rtjpeg_decode_init(&c->rtj, c->width, c->height, c->lq, c->cq);
av_frame_unref(c->pic);
return 1;
} else if (quality != c->quality)
ff_rtjpeg_decode_init(&c->rtj, c->width, c->height, c->lq, c->cq);
return 0;
}
static void put_meta(AVFormatContext *s, const char *key, uint32_t id)
{
AVDictionaryEntry *tag;
AVIOContext *pb = s->pb;
if (tag = av_dict_get(s->metadata, key, NULL, 0)) {
int size = strlen(tag->value);
avio_wl32(pb, id);
avio_wb32(pb, FFALIGN(size, 2));
avio_write(pb, tag->value, size);
if (size & 1)
avio_w8(pb, 0);
}
}
static void allocate_xvimage(struct vo *vo, int foo)
{
struct xvctx *ctx = vo->priv;
struct vo_x11_state *x11 = vo->x11;
// align it for faster OSD rendering (draw_bmp.c swscale usage)
int aligned_w = FFALIGN(ctx->image_width, 32);
#ifdef HAVE_SHM
if (x11->display_is_local && XShmQueryExtension(x11->display)) {
ctx->Shmem_Flag = 1;
x11->ShmCompletionEvent = XShmGetEventBase(x11->display)
+ ShmCompletion;
} else {
ctx->Shmem_Flag = 0;
MP_INFO(vo, "Shared memory not supported\nReverting to normal Xv.\n");
}
if (ctx->Shmem_Flag) {
ctx->xvimage[foo] =
(XvImage *) XvShmCreateImage(x11->display, ctx->xv_port,
ctx->xv_format, NULL,
aligned_w, ctx->image_height,
&ctx->Shminfo[foo]);
ctx->Shminfo[foo].shmid = shmget(IPC_PRIVATE,
ctx->xvimage[foo]->data_size,
IPC_CREAT | 0777);
ctx->Shminfo[foo].shmaddr = (char *) shmat(ctx->Shminfo[foo].shmid, 0,
0);
ctx->Shminfo[foo].readOnly = False;
ctx->xvimage[foo]->data = ctx->Shminfo[foo].shmaddr;
XShmAttach(x11->display, &ctx->Shminfo[foo]);
XSync(x11->display, False);
shmctl(ctx->Shminfo[foo].shmid, IPC_RMID, 0);
} else
#endif
{
ctx->xvimage[foo] =
(XvImage *) XvCreateImage(x11->display, ctx->xv_port,
ctx->xv_format, NULL, aligned_w,
ctx->image_height);
ctx->xvimage[foo]->data = av_malloc(ctx->xvimage[foo]->data_size);
XSync(x11->display, False);
}
struct mp_image img = get_xv_buffer(vo, foo);
img.w = aligned_w;
mp_image_clear(&img, 0, 0, img.w, img.h);
return;
}
static int msrle_decode_frame(AVCodecContext *avctx,
void *data, int *got_frame,
AVPacket *avpkt)
{
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
MsrleContext *s = avctx->priv_data;
int istride = FFALIGN(avctx->width*avctx->bits_per_coded_sample, 32) / 8;
int ret;
s->buf = buf;
s->size = buf_size;
if ((ret = ff_reget_buffer(avctx, s->frame)) < 0)
return ret;
if (avctx->bits_per_coded_sample > 1 && avctx->bits_per_coded_sample <= 8) {
const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE, NULL);
if (pal) {
s->frame->palette_has_changed = 1;
memcpy(s->pal, pal, AVPALETTE_SIZE);
}
/* make the palette available */
memcpy(s->frame->data[1], s->pal, AVPALETTE_SIZE);
}
/* FIXME how to correctly detect RLE ??? */
if (avctx->height * istride == avpkt->size) { /* assume uncompressed */
int linesize = (avctx->width * avctx->bits_per_coded_sample + 7) / 8;
uint8_t *ptr = s->frame->data[0];
uint8_t *buf = avpkt->data + (avctx->height-1)*istride;
int i, j;
for (i = 0; i < avctx->height; i++) {
if (avctx->bits_per_coded_sample == 4) {
for (j = 0; j < avctx->width - 1; j += 2) {
ptr[j+0] = buf[j>>1] >> 4;
ptr[j+1] = buf[j>>1] & 0xF;
}
if (avctx->width & 1)
ptr[j+0] = buf[j>>1] >> 4;
} else {
memcpy(ptr, buf, linesize);
}
buf -= istride;
ptr += s->frame->linesize[0];
}
int ff_image_copy_plane_uc_from_x86(uint8_t *dst, ptrdiff_t dst_linesize,
const uint8_t *src, ptrdiff_t src_linesize,
ptrdiff_t bytewidth, int height)
{
int cpu_flags = av_get_cpu_flags();
ptrdiff_t bw_aligned = FFALIGN(bytewidth, 64);
if (EXTERNAL_SSE4(cpu_flags) &&
bw_aligned <= dst_linesize && bw_aligned <= src_linesize)
ff_image_copy_plane_uc_from_sse4(dst, dst_linesize, src, src_linesize,
bw_aligned, height);
else
return AVERROR(ENOSYS);
return 0;
}
/** Find chunk with w64 GUID by skipping over other chunks
* @return the size of the found chunk
*/
static int64_t find_guid(ByteIOContext *pb, const uint8_t guid1[16])
{
uint8_t guid[16];
int64_t size;
while (!url_feof(pb)) {
get_buffer(pb, guid, 16);
size = get_le64(pb);
if (size <= 24)
return -1;
if (!memcmp(guid, guid1, 16))
return size;
url_fskip(pb, FFALIGN(size, INT64_C(8)) - 24);
}
return -1;
}
/** Find chunk with w64 GUID by skipping over other chunks
* @return the size of the found chunk
*/
static int64_t find_guid(AVIOContext *pb, const uint8_t guid1[16])
{
uint8_t guid[16];
int64_t size;
while (!url_feof(pb)) {
avio_read(pb, guid, 16);
size = avio_rl64(pb);
if (size <= 24)
return -1;
if (!memcmp(guid, guid1, 16))
return size;
avio_skip(pb, FFALIGN(size, INT64_C(8)) - 24);
}
return -1;
}
static int get_video_buffer(AVFrame *frame, int align)
{
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(frame->format);
int ret, i;
if (!desc)
return AVERROR(EINVAL);
if ((ret = av_image_check_size(frame->width, frame->height, 0, NULL)) < 0)
return ret;
if (!frame->linesize[0]) {
ret = av_image_fill_linesizes(frame->linesize, frame->format,
frame->width);
if (ret < 0)
return ret;
for (i = 0; i < 4 && frame->linesize[i]; i++)
frame->linesize[i] = FFALIGN(frame->linesize[i], align);
}
for (i = 0; i < 4 && frame->linesize[i]; i++) {
int h = frame->height;
if (i == 1 || i == 2)
h = -((-h) >> desc->log2_chroma_h);
frame->buf[i] = av_buffer_alloc(frame->linesize[i] * h);
if (!frame->buf[i])
goto fail;
frame->data[i] = frame->buf[i]->data;
}
if (desc->flags & AV_PIX_FMT_FLAG_PAL || desc->flags & AV_PIX_FMT_FLAG_PSEUDOPAL) {
av_buffer_unref(&frame->buf[1]);
frame->buf[1] = av_buffer_alloc(1024);
if (!frame->buf[1])
goto fail;
frame->data[1] = frame->buf[1]->data;
}
frame->extended_data = frame->data;
return 0;
fail:
av_frame_unref(frame);
return AVERROR(ENOMEM);
}
void ff_mediacodec_sw_buffer_copy_yuv420_semi_planar(AVCodecContext *avctx,
MediaCodecDecContext *s,
uint8_t *data,
size_t size,
FFAMediaCodecBufferInfo *info,
AVFrame *frame)
{
int i;
uint8_t *src = NULL;
for (i = 0; i < 2; i++) {
int height;
src = data + info->offset;
if (i == 0) {
height = avctx->height;
src += s->crop_top * s->stride;
src += s->crop_left;
} else if (i == 1) {
height = avctx->height / 2;
src += s->slice_height * s->stride;
src += s->crop_top * s->stride;
src += s->crop_left;
}
if (frame->linesize[i] == s->stride) {
memcpy(frame->data[i], src, height * s->stride);
} else {
int j, width;
uint8_t *dst = frame->data[i];
if (i == 0) {
width = avctx->width;
} else if (i == 1) {
width = FFMIN(frame->linesize[i], FFALIGN(avctx->width, 2));
}
for (j = 0; j < height; j++) {
memcpy(dst, src, width);
src += s->stride;
dst += frame->linesize[i];
}
}
}
}
static int cuda_frames_init(AVHWFramesContext *ctx)
{
CUDAFramesContext *priv = ctx->internal->priv;
int aligned_width = FFALIGN(ctx->width, CUDA_FRAME_ALIGNMENT);
int i;
for (i = 0; i < FF_ARRAY_ELEMS(supported_formats); i++) {
if (ctx->sw_format == supported_formats[i])
break;
}
if (i == FF_ARRAY_ELEMS(supported_formats)) {
av_log(ctx, AV_LOG_ERROR, "Pixel format '%s' is not supported\n",
av_get_pix_fmt_name(ctx->sw_format));
return AVERROR(ENOSYS);
}
av_pix_fmt_get_chroma_sub_sample(ctx->sw_format, &priv->shift_width, &priv->shift_height);
if (!ctx->pool) {
int size;
switch (ctx->sw_format) {
case AV_PIX_FMT_NV12:
case AV_PIX_FMT_YUV420P:
size = aligned_width * ctx->height * 3 / 2;
break;
case AV_PIX_FMT_YUV444P:
case AV_PIX_FMT_P010:
case AV_PIX_FMT_P016:
size = aligned_width * ctx->height * 3;
break;
case AV_PIX_FMT_YUV444P16:
size = aligned_width * ctx->height * 6;
break;
default:
av_log(ctx, AV_LOG_ERROR, "BUG: Pixel format missing from size calculation.");
return AVERROR_BUG;
}
ctx->internal->pool_internal = av_buffer_pool_init2(size, ctx, cuda_pool_alloc, NULL);
if (!ctx->internal->pool_internal)
return AVERROR(ENOMEM);
}
return 0;
}
static void draw_alpha(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride){
uint32_t bespitch = FFALIGN(mga_vid_config.src_width, 32);
x0+=mga_vid_config.src_width*(vo_panscan_x>>1)/(vo_dwidth+vo_panscan_x);
switch(mga_vid_config.format){
case MGA_VID_FORMAT_YV12:
case MGA_VID_FORMAT_IYUV:
case MGA_VID_FORMAT_I420:
vo_draw_alpha_yv12(w,h,src,srca,stride,vid_data+bespitch*y0+x0,bespitch);
break;
case MGA_VID_FORMAT_YUY2:
vo_draw_alpha_yuy2(w,h,src,srca,stride,vid_data+2*(bespitch*y0+x0),2*bespitch);
break;
case MGA_VID_FORMAT_UYVY:
vo_draw_alpha_yuy2(w,h,src,srca,stride,vid_data+2*(bespitch*y0+x0)+1,2*bespitch);
break;
}
}
static int y41p_decode_frame(AVCodecContext *avctx, void *data,
int *got_frame, AVPacket *avpkt)
{
AVFrame *pic = data;
uint8_t *src = avpkt->data;
uint8_t *y, *u, *v;
int i, j, ret;
if (avpkt->size < 3LL * avctx->height * FFALIGN(avctx->width, 8) / 2) {
av_log(avctx, AV_LOG_ERROR, "Insufficient input data.\n");
return AVERROR(EINVAL);
}
if ((ret = ff_get_buffer(avctx, pic, 0)) < 0)
return ret;
pic->key_frame = 1;
pic->pict_type = AV_PICTURE_TYPE_I;
for (i = avctx->height - 1; i >= 0 ; i--) {
y = &pic->data[0][i * pic->linesize[0]];
u = &pic->data[1][i * pic->linesize[1]];
v = &pic->data[2][i * pic->linesize[2]];
for (j = 0; j < avctx->width; j += 8) {
*(u++) = *src++;
*(y++) = *src++;
*(v++) = *src++;
*(y++) = *src++;
*(u++) = *src++;
*(y++) = *src++;
*(v++) = *src++;
*(y++) = *src++;
*(y++) = *src++;
*(y++) = *src++;
*(y++) = *src++;
*(y++) = *src++;
}
}
*got_frame = 1;
return avpkt->size;
}
/**
* Read samples from the input FIFOs, mix, and write to the output link.
*/
static int output_frame(AVFilterLink *outlink, int nb_samples)
{
AVFilterContext *ctx = outlink->src;
MixContext *s = ctx->priv;
AVFrame *out_buf, *in_buf;
int i;
calculate_scales(s, nb_samples);
out_buf = ff_get_audio_buffer(outlink, nb_samples);
if (!out_buf)
return AVERROR(ENOMEM);
in_buf = ff_get_audio_buffer(outlink, nb_samples);
if (!in_buf) {
av_frame_free(&out_buf);
return AVERROR(ENOMEM);
}
for (i = 0; i < s->nb_inputs; i++) {
if (s->input_state[i] == INPUT_ON) {
int planes, plane_size, p;
av_audio_fifo_read(s->fifos[i], (void **)in_buf->extended_data,
nb_samples);
planes = s->planar ? s->nb_channels : 1;
plane_size = nb_samples * (s->planar ? 1 : s->nb_channels);
plane_size = FFALIGN(plane_size, 16);
for (p = 0; p < planes; p++) {
s->fdsp->vector_fmac_scalar((float *)out_buf->extended_data[p],
(float *) in_buf->extended_data[p],
s->input_scale[i], plane_size);
}
}
}
av_frame_free(&in_buf);
out_buf->pts = s->next_pts;
if (s->next_pts != AV_NOPTS_VALUE)
s->next_pts += nb_samples;
return ff_filter_frame(outlink, out_buf);
}
static void set_bpp(struct fb_var_screeninfo *p, int bpp, int rgb)
{
p->bits_per_pixel = FFALIGN(bpp, 2);
p->red.msb_right = p->green.msb_right = p->blue.msb_right = p->transp.msb_right = 0;
p->transp.offset = p->transp.length = 0;
p->blue.offset = 0;
switch (bpp) {
case 32:
p->transp.offset = 24;
p->transp.length = 8;
// fallthrough
case 24:
p->red.offset = 16;
p->red.length = 8;
p->green.offset = 8;
p->green.length = 8;
p->blue.length = 8;
break;
case 16:
p->red.offset = 11;
p->green.length = 6;
p->red.length = 5;
p->green.offset = 5;
p->blue.length = 5;
break;
case 15:
p->red.offset = 10;
p->green.length = 5;
p->red.length = 5;
p->green.offset = 5;
p->blue.length = 5;
break;
case 12:
p->red.offset = 8;
p->green.length = 4;
p->red.length = 4;
p->green.offset = 4;
p->blue.length = 4;
break;
}
if (rgb) {
p->blue.offset = p->red.offset;
p->red.offset = 0;
}
}
static uint32_t
draw_image(mp_image_t *mpi){
uint32_t bespitch = FFALIGN(mga_vid_config.src_width, 32);
// if -dr or -slices then do nothing:
if(mpi->flags&(MP_IMGFLAG_DIRECT|MP_IMGFLAG_DRAW_CALLBACK)) return VO_TRUE;
if(mpi->flags&MP_IMGFLAG_PLANAR){
// copy planar:
draw_slice(mpi->planes,mpi->stride,mpi->w,mpi->h,mpi->x,mpi->y);
} else {
// copy packed:
mem2agpcpy_pic(vid_data, mpi->planes[0], // dst,src
mpi->w*(mpi->bpp/8), mpi->h, // w,h
bespitch*2, mpi->stride[0]); // dstride,sstride
}
return VO_TRUE;
}
static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
const AVFrame *pic, int *got_packet)
{
int i, j, ret;
int aligned_width = FFALIGN(avctx->width,
avctx->codec_id == AV_CODEC_ID_R10K ? 1 : 64);
int pad = (aligned_width - avctx->width) * 4;
uint8_t *src_line;
uint8_t *dst;
if ((ret = ff_alloc_packet2(avctx, pkt, 4 * aligned_width * avctx->height)) < 0)
return ret;
avctx->coded_frame->key_frame = 1;
avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
src_line = pic->data[0];
dst = pkt->data;
for (i = 0; i < avctx->height; i++) {
uint16_t *src = (uint16_t *)src_line;
for (j = 0; j < avctx->width; j++) {
uint32_t pixel;
uint16_t r = *src++ >> 6;
uint16_t g = *src++ >> 6;
uint16_t b = *src++ >> 6;
if (avctx->codec_id == AV_CODEC_ID_R210)
pixel = (r << 20) | (g << 10) | b;
else
pixel = (r << 22) | (g << 12) | (b << 2);
if (avctx->codec_id == AV_CODEC_ID_AVRP)
bytestream_put_le32(&dst, pixel);
else
bytestream_put_be32(&dst, pixel);
}
memset(dst, 0, pad);
dst += pad;
src_line += pic->linesize[0];
}
pkt->flags |= AV_PKT_FLAG_KEY;
*got_packet = 1;
return 0;
}
static int sox_write_header(AVFormatContext *s)
{
SoXContext *sox = s->priv_data;
AVIOContext *pb = s->pb;
AVCodecContext *enc = s->streams[0]->codec;
AVDictionaryEntry *comment;
size_t comment_len = 0, comment_size;
comment = av_dict_get(s->metadata, "comment", NULL, 0);
if (comment)
comment_len = strlen(comment->value);
comment_size = FFALIGN(comment_len, 8);
sox->header_size = SOX_FIXED_HDR + comment_size;
if (enc->codec_id == AV_CODEC_ID_PCM_S32LE) {
ffio_wfourcc(pb, ".SoX");
avio_wl32(pb, sox->header_size);
avio_wl64(pb, 0); /* number of samples */
avio_wl64(pb, av_double2int(enc->sample_rate));
avio_wl32(pb, enc->channels);
avio_wl32(pb, comment_size);
} else if (enc->codec_id == AV_CODEC_ID_PCM_S32BE) {
ffio_wfourcc(pb, "XoS.");
avio_wb32(pb, sox->header_size);
avio_wb64(pb, 0); /* number of samples */
avio_wb64(pb, av_double2int(enc->sample_rate));
avio_wb32(pb, enc->channels);
avio_wb32(pb, comment_size);
} else {
av_log(s, AV_LOG_ERROR, "invalid codec; use pcm_s32le or pcm_s32be\n");
return AVERROR(EINVAL);
}
if (comment_len)
avio_write(pb, comment->value, comment_len);
ffio_fill(pb, 0, comment_size - comment_len);
avio_flush(pb);
return 0;
}
static av_cold int decode_init(AVCodecContext *avctx)
{
CamStudioContext *c = avctx->priv_data;
int stride;
switch (avctx->bits_per_coded_sample)
{
case 16:
avctx->pix_fmt = PIX_FMT_RGB555;
break;
case 24:
avctx->pix_fmt = PIX_FMT_BGR24;
break;
case 32:
avctx->pix_fmt = PIX_FMT_RGB32;
break;
default:
av_log(avctx, AV_LOG_ERROR,
"CamStudio codec error: invalid depth %i bpp\n",
avctx->bits_per_coded_sample);
return 1;
}
c->bpp = avctx->bits_per_coded_sample;
c->pic.data[0] = NULL;
c->linelen = avctx->width * avctx->bits_per_coded_sample / 8;
c->height = avctx->height;
stride = c->linelen;
if (avctx->bits_per_coded_sample == 24)
stride = FFALIGN(stride, 4);
c->decomp_size = c->height * stride;
c->decomp_buf = av_malloc(c->decomp_size + AV_LZO_OUTPUT_PADDING);
if (!c->decomp_buf)
{
av_log(avctx, AV_LOG_ERROR, "Can't allocate decompression buffer.\n");
return 1;
}
return 0;
}
static av_cold int ffmmal_init_decoder(AVCodecContext *avctx)
{
MMALDecodeContext *ctx = avctx->priv_data;
MMAL_STATUS_T status;
MMAL_ES_FORMAT_T *format_in;
MMAL_COMPONENT_T *decoder;
char tmp[32];
int ret = 0;
bcm_host_init();
if (mmal_vc_init()) {
av_log(avctx, AV_LOG_ERROR, "Cannot initialize MMAL VC driver!\n");
return AVERROR(ENOSYS);
}
if ((ret = ff_get_format(avctx, avctx->codec->pix_fmts)) < 0)
return ret;
avctx->pix_fmt = ret;
if ((status = mmal_component_create(MMAL_COMPONENT_DEFAULT_VIDEO_DECODER, &ctx->decoder)))
goto fail;
decoder = ctx->decoder;
format_in = decoder->input[0]->format;
format_in->type = MMAL_ES_TYPE_VIDEO;
switch (avctx->codec_id) {
case AV_CODEC_ID_MPEG2VIDEO:
format_in->encoding = MMAL_ENCODING_MP2V;
break;
case AV_CODEC_ID_MPEG4:
format_in->encoding = MMAL_ENCODING_MP4V;
break;
case AV_CODEC_ID_VC1:
format_in->encoding = MMAL_ENCODING_WVC1;
break;
case AV_CODEC_ID_H264:
default:
format_in->encoding = MMAL_ENCODING_H264;
break;
}
format_in->es->video.width = FFALIGN(avctx->width, 32);
format_in->es->video.height = FFALIGN(avctx->height, 16);
format_in->es->video.crop.width = avctx->width;
format_in->es->video.crop.height = avctx->height;
format_in->es->video.frame_rate.num = 24000;
format_in->es->video.frame_rate.den = 1001;
format_in->es->video.par.num = avctx->sample_aspect_ratio.num;
format_in->es->video.par.den = avctx->sample_aspect_ratio.den;
format_in->flags = MMAL_ES_FORMAT_FLAG_FRAMED;
av_get_codec_tag_string(tmp, sizeof(tmp), format_in->encoding);
av_log(avctx, AV_LOG_DEBUG, "Using MMAL %s encoding.\n", tmp);
#if HAVE_MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS
if (mmal_port_parameter_set_uint32(decoder->input[0], MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS,
-1 - ctx->extra_decoder_buffers)) {
av_log(avctx, AV_LOG_WARNING, "Could not set input buffering limit.\n");
}
#endif
if ((status = mmal_port_format_commit(decoder->input[0])))
goto fail;
decoder->input[0]->buffer_num =
FFMAX(decoder->input[0]->buffer_num_min, 20);
decoder->input[0]->buffer_size =
FFMAX(decoder->input[0]->buffer_size_min, 512 * 1024);
ctx->pool_in = mmal_pool_create(decoder->input[0]->buffer_num, 0);
if (!ctx->pool_in) {
ret = AVERROR(ENOMEM);
goto fail;
}
if ((ret = ffmal_update_format(avctx)) < 0)
goto fail;
ctx->queue_decoded_frames = mmal_queue_create();
if (!ctx->queue_decoded_frames)
goto fail;
decoder->input[0]->userdata = (void*)avctx;
decoder->output[0]->userdata = (void*)avctx;
decoder->control->userdata = (void*)avctx;
if ((status = mmal_port_enable(decoder->control, control_port_cb)))
goto fail;
if ((status = mmal_port_enable(decoder->input[0], input_callback)))
goto fail;
if ((status = mmal_port_enable(decoder->output[0], output_callback)))
goto fail;
if ((status = mmal_component_enable(decoder)))
goto fail;
return 0;
fail:
ffmmal_close_decoder(avctx);
return ret < 0 ? ret : AVERROR_UNKNOWN;
}
HRESULT CDecDXVA2::CreateDXVA2Decoder(int nSurfaces, IDirect3DSurface9 **ppSurfaces)
{
DbgLog((LOG_TRACE, 10, L"-> CDecDXVA2::CreateDXVA2Decoder"));
HRESULT hr = S_OK;
LPDIRECT3DSURFACE9 pSurfaces[DXVA2_MAX_SURFACES];
if (!m_pDXVADecoderService)
return E_FAIL;
DestroyDecoder(false, true);
GUID input = GUID_NULL;
D3DFORMAT output;
FindVideoServiceConversion(m_pAVCtx->codec_id, &input, &output);
if (!nSurfaces) {
m_dwSurfaceWidth = FFALIGN(m_pAVCtx->coded_width, 16);
m_dwSurfaceHeight = FFALIGN(m_pAVCtx->coded_height, 16);
m_NumSurfaces = GetBufferCount();
hr = m_pDXVADecoderService->CreateSurface(m_dwSurfaceWidth, m_dwSurfaceHeight, m_NumSurfaces - 1, output, D3DPOOL_DEFAULT, 0, DXVA2_VideoDecoderRenderTarget, pSurfaces, NULL);
if (FAILED(hr)) {
DbgLog((LOG_TRACE, 10, L"-> Creation of surfaces failed with hr: %X", hr));
m_NumSurfaces = 0;
return E_FAIL;
}
ppSurfaces = pSurfaces;
} else {
m_NumSurfaces = nSurfaces;
for (int i = 0; i < m_NumSurfaces; i++) {
ppSurfaces[i]->AddRef();
}
}
for (int i = 0; i < m_NumSurfaces; i++) {
m_pSurfaces[i].index = i;
m_pSurfaces[i].d3d = ppSurfaces[i];
m_pSurfaces[i].age = 0;
m_pSurfaces[i].used = false;
}
DbgLog((LOG_TRACE, 10, L"-> Successfully created %d surfaces (%dx%d)", m_NumSurfaces, m_dwSurfaceWidth, m_dwSurfaceHeight));
DXVA2_VideoDesc desc;
ZeroMemory(&desc, sizeof(desc));
desc.SampleWidth = m_pAVCtx->coded_width;
desc.SampleHeight = m_pAVCtx->coded_height;
desc.Format = output;
hr = FindDecoderConfiguration(input, &desc, &m_DXVAVideoDecoderConfig);
if (FAILED(hr)) {
DbgLog((LOG_TRACE, 10, L"-> FindDecoderConfiguration failed with hr: %X", hr));
return hr;
}
IDirectXVideoDecoder *decoder = NULL;
hr = m_pDXVADecoderService->CreateVideoDecoder(input, &desc, &m_DXVAVideoDecoderConfig, ppSurfaces, m_NumSurfaces, &decoder);
if (FAILED(hr)) {
DbgLog((LOG_TRACE, 10, L"-> CreateVideoDecoder failed with hr: %X", hr));
return E_FAIL;
}
m_pDecoder = decoder;
/* fill hwaccel_context */
dxva_context *ctx = (dxva_context *)m_pAVCtx->hwaccel_context;
ctx->cfg = &m_DXVAVideoDecoderConfig;
ctx->decoder = m_pDecoder;
ctx->surface = m_pRawSurface;
ctx->surface_count = m_NumSurfaces;
if (m_dwVendorId == VEND_ID_INTEL && input == DXVADDI_Intel_ModeH264_E)
ctx->workaround = FF_DXVA2_WORKAROUND_INTEL_CLEARVIDEO;
else if (m_dwVendorId == VEND_ID_ATI && IsAMDUVD(m_dwDeviceId))
ctx->workaround = FF_DXVA2_WORKAROUND_SCALING_LIST_ZIGZAG;
else
ctx->workaround = 0;
memset(m_pRawSurface, 0, sizeof(m_pRawSurface));
for (int i = 0; i < m_NumSurfaces; i++) {
m_pRawSurface[i] = m_pSurfaces[i].d3d;
}
return S_OK;
}
int CDecDXVA2::get_dxva2_buffer(struct AVCodecContext *c, AVFrame *pic, int flags)
{
CDecDXVA2 *pDec = (CDecDXVA2 *)c->opaque;
IMediaSample *pSample = NULL;
HRESULT hr = S_OK;
if (pic->format != AV_PIX_FMT_DXVA2_VLD || (c->codec_id == AV_CODEC_ID_H264 && !H264_CHECK_PROFILE(c->profile))) {
DbgLog((LOG_ERROR, 10, L"DXVA2 buffer request, but not dxva2 pixfmt or unsupported profile"));
pDec->m_bFailHWDecode = TRUE;
return -1;
}
if (!pDec->m_pDecoder || FFALIGN(c->coded_width, 16) != pDec->m_dwSurfaceWidth || FFALIGN(c->coded_height, 16) != pDec->m_dwSurfaceHeight) {
DbgLog((LOG_TRACE, 10, L"No DXVA2 Decoder or image dimensions changed -> Re-Allocating resources"));
if (!pDec->m_pDecoder && pDec->m_bNative && !pDec->m_pDXVA2Allocator) {
ASSERT(0);
hr = E_FAIL;
} else if (pDec->m_bNative) {
avcodec_flush_buffers(c);
pDec->m_dwSurfaceWidth = FFALIGN(c->coded_width, 16);
pDec->m_dwSurfaceHeight = FFALIGN(c->coded_height, 16);
// Re-Commit the allocator (creates surfaces and new decoder)
hr = pDec->m_pDXVA2Allocator->Decommit();
if (pDec->m_pDXVA2Allocator->DecommitInProgress()) {
DbgLog((LOG_TRACE, 10, L"WARNING! DXVA2 Allocator is still busy, trying to flush downstream"));
pDec->m_pCallback->ReleaseAllDXVAResources();
pDec->m_pCallback->GetOutputPin()->GetConnected()->BeginFlush();
pDec->m_pCallback->GetOutputPin()->GetConnected()->EndFlush();
if (pDec->m_pDXVA2Allocator->DecommitInProgress()) {
DbgLog((LOG_TRACE, 10, L"WARNING! Flush had no effect, decommit of the allocator still not complete"));
} else {
DbgLog((LOG_TRACE, 10, L"Flush was successfull, decommit completed!"));
}
}
hr = pDec->m_pDXVA2Allocator->Commit();
} else if (!pDec->m_bNative) {
hr = pDec->CreateDXVA2Decoder();
}
if (FAILED(hr)) {
pDec->m_bFailHWDecode = TRUE;
return -1;
}
}
if (FAILED(pDec->m_pD3DDevMngr->TestDevice(pDec->m_hDevice))) {
DbgLog((LOG_ERROR, 10, L"Device Lost"));
}
int i;
if (pDec->m_bNative) {
if (!pDec->m_pDXVA2Allocator)
return -1;
hr = pDec->m_pDXVA2Allocator->GetBuffer(&pSample, NULL, NULL, 0);
if (FAILED(hr)) {
DbgLog((LOG_ERROR, 10, L"DXVA2Allocator returned error, hr: 0x%x", hr));
return -1;
}
ILAVDXVA2Sample *pLavDXVA2 = NULL;
hr = pSample->QueryInterface(&pLavDXVA2);
if (FAILED(hr)) {
DbgLog((LOG_ERROR, 10, L"Sample is no LAV DXVA2 sample?????"));
SafeRelease(&pSample);
return -1;
}
i = pLavDXVA2->GetDXSurfaceId();
SafeRelease(&pLavDXVA2);
} else {
int old, old_unused;
for (i = 0, old = 0, old_unused = -1; i < pDec->m_NumSurfaces; i++) {
d3d_surface_t *surface = &pDec->m_pSurfaces[i];
if (!surface->used && (old_unused == -1 || surface->age < pDec->m_pSurfaces[old_unused].age))
old_unused = i;
if (surface->age < pDec->m_pSurfaces[old].age)
old = i;
}
if (old_unused == -1) {
DbgLog((LOG_TRACE, 10, L"No free surface, using oldest"));
i = old;
} else {
i = old_unused;
}
}
LPDIRECT3DSURFACE9 pSurface = pDec->m_pSurfaces[i].d3d;
if (!pSurface) {
DbgLog((LOG_ERROR, 10, L"There is a sample, but no D3D Surace? WTF?"));
SafeRelease(&pSample);
return -1;
}
pDec->m_pSurfaces[i].age = pDec->m_CurrentSurfaceAge++;
pDec->m_pSurfaces[i].used = true;
memset(pic->data, 0, sizeof(pic->data));
memset(pic->linesize, 0, sizeof(pic->linesize));
memset(pic->buf, 0, sizeof(pic->buf));
pic->data[0] = pic->data[3] = (uint8_t *)pSurface;
pic->data[4] = (uint8_t *)pSample;
SurfaceWrapper *surfaceWrapper = new SurfaceWrapper();
surfaceWrapper->pDec = pDec;
surfaceWrapper->surface = pSurface;
surfaceWrapper->sample = pSample;
pic->buf[0] = av_buffer_create(NULL, 0, free_dxva2_buffer, surfaceWrapper, 0);
return 0;
}
static int dds_decode(AVCodecContext *avctx, void *data,
int *got_frame, AVPacket *avpkt)
{
DDSContext *ctx = avctx->priv_data;
GetByteContext *gbc = &ctx->gbc;
AVFrame *frame = data;
int mipmap;
int ret;
ff_texturedsp_init(&ctx->texdsp);
bytestream2_init(gbc, avpkt->data, avpkt->size);
if (bytestream2_get_bytes_left(gbc) < 128) {
av_log(avctx, AV_LOG_ERROR, "Frame is too small (%d).\n",
bytestream2_get_bytes_left(gbc));
return AVERROR_INVALIDDATA;
}
if (bytestream2_get_le32(gbc) != MKTAG('D', 'D', 'S', ' ') ||
bytestream2_get_le32(gbc) != 124) { // header size
av_log(avctx, AV_LOG_ERROR, "Invalid DDS header.\n");
return AVERROR_INVALIDDATA;
}
bytestream2_skip(gbc, 4); // flags
avctx->height = bytestream2_get_le32(gbc);
avctx->width = bytestream2_get_le32(gbc);
ret = av_image_check_size(avctx->width, avctx->height, 0, avctx);
if (ret < 0) {
av_log(avctx, AV_LOG_ERROR, "Invalid image size %dx%d.\n",
avctx->width, avctx->height);
return ret;
}
/* Since codec is based on 4x4 blocks, size is aligned to 4. */
avctx->coded_width = FFALIGN(avctx->width, TEXTURE_BLOCK_W);
avctx->coded_height = FFALIGN(avctx->height, TEXTURE_BLOCK_H);
bytestream2_skip(gbc, 4); // pitch
bytestream2_skip(gbc, 4); // depth
mipmap = bytestream2_get_le32(gbc);
if (mipmap != 0)
av_log(avctx, AV_LOG_VERBOSE, "Found %d mipmaps (ignored).\n", mipmap);
/* Extract pixel format information, considering additional elements
* in reserved1 and reserved2. */
ret = parse_pixel_format(avctx);
if (ret < 0)
return ret;
ret = ff_get_buffer(avctx, frame, 0);
if (ret < 0)
return ret;
if (ctx->compressed) {
int size = (avctx->coded_height / TEXTURE_BLOCK_H) *
(avctx->coded_width / TEXTURE_BLOCK_W) * ctx->tex_ratio;
ctx->slice_count = av_clip(avctx->thread_count, 1,
avctx->coded_height / TEXTURE_BLOCK_H);
if (bytestream2_get_bytes_left(gbc) < size) {
av_log(avctx, AV_LOG_ERROR,
"Compressed Buffer is too small (%d < %d).\n",
bytestream2_get_bytes_left(gbc), size);
return AVERROR_INVALIDDATA;
}
/* Use the decompress function on the texture, one block per thread. */
ctx->tex_data = gbc->buffer;
avctx->execute2(avctx, decompress_texture_thread, frame, NULL, ctx->slice_count);
} else {
int linesize = av_image_get_linesize(avctx->pix_fmt, frame->width, 0);
if (ctx->paletted) {
int i;
/* Use the first 1024 bytes as palette, then copy the rest. */
bytestream2_get_buffer(gbc, frame->data[1], 256 * 4);
for (i = 0; i < 256; i++)
AV_WN32(frame->data[1] + i*4,
(frame->data[1][2+i*4]<<0)+
(frame->data[1][1+i*4]<<8)+
(frame->data[1][0+i*4]<<16)+
(frame->data[1][3+i*4]<<24)
);
frame->palette_has_changed = 1;
}
if (bytestream2_get_bytes_left(gbc) < frame->height * linesize) {
av_log(avctx, AV_LOG_ERROR, "Buffer is too small (%d < %d).\n",
bytestream2_get_bytes_left(gbc), frame->height * linesize);
return AVERROR_INVALIDDATA;
}
av_image_copy_plane(frame->data[0], frame->linesize[0],
gbc->buffer, linesize,
linesize, frame->height);
}
/* Run any post processing here if needed. */
if (avctx->pix_fmt == AV_PIX_FMT_BGRA ||
avctx->pix_fmt == AV_PIX_FMT_RGBA ||
avctx->pix_fmt == AV_PIX_FMT_RGB0 ||
avctx->pix_fmt == AV_PIX_FMT_BGR0 ||
avctx->pix_fmt == AV_PIX_FMT_YA8)
run_postproc(avctx, frame);
/* Frame is ready to be output. */
frame->pict_type = AV_PICTURE_TYPE_I;
frame->key_frame = 1;
*got_frame = 1;
return avpkt->size;
}
static int pcm_bluray_decode_frame(AVCodecContext *avctx, void *data,
int *got_frame_ptr, AVPacket *avpkt)
{
const uint8_t *src = avpkt->data;
int buf_size = avpkt->size;
PCMBRDecode *s = avctx->priv_data;
GetByteContext gb;
int num_source_channels, channel, retval;
int sample_size, samples;
int16_t *dst16;
int32_t *dst32;
if (buf_size < 4) {
av_log(avctx, AV_LOG_ERROR, "PCM packet too small\n");
return -1;
}
if (pcm_bluray_parse_header(avctx, src))
return -1;
src += 4;
buf_size -= 4;
bytestream2_init(&gb, src, buf_size);
/* There's always an even number of channels in the source */
num_source_channels = FFALIGN(avctx->channels, 2);
sample_size = (num_source_channels * (avctx->sample_fmt == AV_SAMPLE_FMT_S16 ? 16 : 24)) >> 3;
samples = buf_size / sample_size;
/* get output buffer */
s->frame.nb_samples = samples;
if ((retval = avctx->get_buffer(avctx, &s->frame)) < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return retval;
}
dst16 = (int16_t *)s->frame.data[0];
dst32 = (int32_t *)s->frame.data[0];
if (samples) {
switch (avctx->channel_layout) {
/* cases with same number of source and coded channels */
case AV_CH_LAYOUT_STEREO:
case AV_CH_LAYOUT_4POINT0:
case AV_CH_LAYOUT_2_2:
samples *= num_source_channels;
if (AV_SAMPLE_FMT_S16 == avctx->sample_fmt) {
#if HAVE_BIGENDIAN
bytestream2_get_buffer(&gb, dst16, buf_size);
#else
do {
*dst16++ = bytestream2_get_be16u(&gb);
} while (--samples);
#endif
} else {
do {
*dst32++ = bytestream2_get_be24u(&gb) << 8;
} while (--samples);
}
break;
/* cases where number of source channels = coded channels + 1 */
case AV_CH_LAYOUT_MONO:
case AV_CH_LAYOUT_SURROUND:
case AV_CH_LAYOUT_2_1:
case AV_CH_LAYOUT_5POINT0:
if (AV_SAMPLE_FMT_S16 == avctx->sample_fmt) {
do {
#if HAVE_BIGENDIAN
bytestream2_get_buffer(&gb, dst16, avctx->channels * 2);
dst16 += avctx->channels;
#else
channel = avctx->channels;
do {
*dst16++ = bytestream2_get_be16u(&gb);
} while (--channel);
#endif
bytestream2_skip(&gb, 2);
} while (--samples);
} else {
do {
channel = avctx->channels;
do {
*dst32++ = bytestream2_get_be24u(&gb) << 8;
} while (--channel);
bytestream2_skip(&gb, 3);
} while (--samples);
}
break;
/* remapping: L, R, C, LBack, RBack, LF */
case AV_CH_LAYOUT_5POINT1:
if (AV_SAMPLE_FMT_S16 == avctx->sample_fmt) {
do {
dst16[0] = bytestream2_get_be16u(&gb);
dst16[1] = bytestream2_get_be16u(&gb);
dst16[2] = bytestream2_get_be16u(&gb);
dst16[4] = bytestream2_get_be16u(&gb);
dst16[5] = bytestream2_get_be16u(&gb);
dst16[3] = bytestream2_get_be16u(&gb);
dst16 += 6;
} while (--samples);
} else {
do {
dst32[0] = bytestream2_get_be24u(&gb) << 8;
dst32[1] = bytestream2_get_be24u(&gb) << 8;
dst32[2] = bytestream2_get_be24u(&gb) << 8;
dst32[4] = bytestream2_get_be24u(&gb) << 8;
dst32[5] = bytestream2_get_be24u(&gb) << 8;
dst32[3] = bytestream2_get_be24u(&gb) << 8;
dst32 += 6;
} while (--samples);
}
break;
/* remapping: L, R, C, LSide, LBack, RBack, RSide, <unused> */
case AV_CH_LAYOUT_7POINT0:
if (AV_SAMPLE_FMT_S16 == avctx->sample_fmt) {
do {
dst16[0] = bytestream2_get_be16u(&gb);
dst16[1] = bytestream2_get_be16u(&gb);
dst16[2] = bytestream2_get_be16u(&gb);
dst16[5] = bytestream2_get_be16u(&gb);
dst16[3] = bytestream2_get_be16u(&gb);
dst16[4] = bytestream2_get_be16u(&gb);
dst16[6] = bytestream2_get_be16u(&gb);
dst16 += 7;
bytestream2_skip(&gb, 2);
} while (--samples);
} else {
do {
dst32[0] = bytestream2_get_be24u(&gb) << 8;
dst32[1] = bytestream2_get_be24u(&gb) << 8;
dst32[2] = bytestream2_get_be24u(&gb) << 8;
dst32[5] = bytestream2_get_be24u(&gb) << 8;
dst32[3] = bytestream2_get_be24u(&gb) << 8;
dst32[4] = bytestream2_get_be24u(&gb) << 8;
dst32[6] = bytestream2_get_be24u(&gb) << 8;
dst32 += 7;
bytestream2_skip(&gb, 3);
} while (--samples);
}
break;
/* remapping: L, R, C, LSide, LBack, RBack, RSide, LF */
case AV_CH_LAYOUT_7POINT1:
if (AV_SAMPLE_FMT_S16 == avctx->sample_fmt) {
do {
dst16[0] = bytestream2_get_be16u(&gb);
dst16[1] = bytestream2_get_be16u(&gb);
dst16[2] = bytestream2_get_be16u(&gb);
dst16[6] = bytestream2_get_be16u(&gb);
dst16[4] = bytestream2_get_be16u(&gb);
dst16[5] = bytestream2_get_be16u(&gb);
dst16[7] = bytestream2_get_be16u(&gb);
dst16[3] = bytestream2_get_be16u(&gb);
dst16 += 8;
} while (--samples);
} else {
do {
dst32[0] = bytestream2_get_be24u(&gb) << 8;
dst32[1] = bytestream2_get_be24u(&gb) << 8;
dst32[2] = bytestream2_get_be24u(&gb) << 8;
dst32[6] = bytestream2_get_be24u(&gb) << 8;
dst32[4] = bytestream2_get_be24u(&gb) << 8;
dst32[5] = bytestream2_get_be24u(&gb) << 8;
dst32[7] = bytestream2_get_be24u(&gb) << 8;
dst32[3] = bytestream2_get_be24u(&gb) << 8;
dst32 += 8;
} while (--samples);
}
break;
}
}
*got_frame_ptr = 1;
*(AVFrame *)data = s->frame;
retval = bytestream2_tell(&gb);
if (avctx->debug & FF_DEBUG_BITSTREAM)
av_dlog(avctx, "pcm_bluray_decode_frame: decoded %d -> %d bytes\n",
retval, buf_size);
return retval + 4;
}
