int FrameQueue::get(AVFrame *frame)
{
AVFrameList *frame1;
int ret;
pthread_mutex_lock(&mutex);
for(;;) {
frame1 = first_frame;
if (frame1) {
first_frame = frame1->next;
if (!first_frame){
last_frame = NULL;
}
node_count --;
av_frame_ref(frame, frame1->frame); // set frame
av_frame_unref(frame1->frame);
av_frame_free(&frame1->frame);
av_free(frame1);
ret = 1;
break;
} else {
pthread_cond_wait(&cond, &mutex);
}
}
pthread_mutex_unlock(&mutex);
return ret;
}
MediaPictureImpl*
MediaPictureImpl::make(MediaPictureImpl* src, bool copy) {
RefPointer<MediaPictureImpl> retval;
if (!src) VS_THROW(HumbleInvalidArgument("no src object to copy from"));
if (copy) {
// first create a new mediaaudio object to copy into
retval = make(src->getWidth(), src->getHeight(), src->getFormat());
retval->mComplete = src->mComplete;
// then copy the data into retval
int32_t n = src->getNumDataPlanes();
for(int32_t i = 0; i < n; i++ )
{
AVBufferRef* dstBuf = av_frame_get_plane_buffer(retval->mFrame, i);
AVBufferRef* srcBuf = av_frame_get_plane_buffer(src->mFrame, i);
VS_ASSERT(dstBuf, "should always have buffer");
VS_ASSERT(srcBuf, "should always have buffer");
memcpy(dstBuf->data, srcBuf->data, srcBuf->size);
}
} else {
// first create a new media audio object to reference into
retval = make();
// then do the reference
retval->mComplete = src->mComplete;
av_frame_ref(retval->mFrame, src->mFrame);
}
// set the timebase
retval->setComplete(src->isComplete());
RefPointer<Rational> timeBase = src->getTimeBase();
retval->setTimeBase(timeBase.value());
return retval.get();
}
static int mp_decode_frame(AVCodecContext *avctx,
void *data, int *got_frame,
AVPacket *avpkt)
{
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
MotionPixelsContext *mp = avctx->priv_data;
GetBitContext gb;
int i, count1, count2, sz, ret;
if ((ret = ff_reget_buffer(avctx, mp->frame)) < 0)
return ret;
/* le32 bitstream msb first */
av_fast_padded_malloc(&mp->bswapbuf, &mp->bswapbuf_size, buf_size);
if (!mp->bswapbuf)
return AVERROR(ENOMEM);
mp->dsp.bswap_buf((uint32_t *)mp->bswapbuf, (const uint32_t *)buf, buf_size / 4);
if (buf_size & 3)
memcpy(mp->bswapbuf + (buf_size & ~3), buf + (buf_size & ~3), buf_size & 3);
init_get_bits(&gb, mp->bswapbuf, buf_size * 8);
memset(mp->changes_map, 0, avctx->width * avctx->height);
for (i = !(avctx->extradata[1] & 2); i < 2; ++i) {
count1 = get_bits(&gb, 12);
count2 = get_bits(&gb, 12);
mp_read_changes_map(mp, &gb, count1, 8, i);
mp_read_changes_map(mp, &gb, count2, 4, i);
}
mp->codes_count = get_bits(&gb, 4);
if (mp->codes_count == 0)
goto end;
if (mp->changes_map[0] == 0) {
*(uint16_t *)mp->frame->data[0] = get_bits(&gb, 15);
mp->changes_map[0] = 1;
}
if (mp_read_codes_table(mp, &gb) < 0)
goto end;
sz = get_bits(&gb, 18);
if (avctx->extradata[0] != 5)
sz += get_bits(&gb, 18);
if (sz == 0)
goto end;
if (mp->max_codes_bits <= 0)
goto end;
if (init_vlc(&mp->vlc, mp->max_codes_bits, mp->codes_count, &mp->codes[0].size, sizeof(HuffCode), 1, &mp->codes[0].code, sizeof(HuffCode), 4, 0))
goto end;
mp_decode_frame_helper(mp, &gb);
ff_free_vlc(&mp->vlc);
end:
if ((ret = av_frame_ref(data, mp->frame)) < 0)
return ret;
*got_frame = 1;
return buf_size;
}
static int truemotion1_decode_frame(AVCodecContext *avctx,
void *data, int *got_frame,
AVPacket *avpkt)
{
const uint8_t *buf = avpkt->data;
int ret, buf_size = avpkt->size;
TrueMotion1Context *s = avctx->priv_data;
s->buf = buf;
s->size = buf_size;
if ((ret = truemotion1_decode_header(s)) < 0)
return ret;
if ((ret = ff_reget_buffer(avctx, s->frame)) < 0)
return ret;
if (compression_types[s->compression].algorithm == ALGO_RGB24H) {
truemotion1_decode_24bit(s);
} else if (compression_types[s->compression].algorithm != ALGO_NOP) {
truemotion1_decode_16bit(s);
}
if ((ret = av_frame_ref(data, s->frame)) < 0)
return ret;
*got_frame = 1;
/* report that the buffer was completely consumed */
return buf_size;
}
int attribute_align_arg av_buffersink_get_frame_flags(AVFilterContext *ctx, AVFrame *frame, int flags)
{
BufferSinkContext *buf = ctx->priv;
AVFilterLink *inlink = ctx->inputs[0];
int ret;
AVFrame *cur_frame;
/* no picref available, fetch it from the filterchain */
if (!av_fifo_size(buf->fifo)) {
if (flags & AV_BUFFERSINK_FLAG_NO_REQUEST)
return AVERROR(EAGAIN);
if ((ret = ff_request_frame(inlink)) < 0)
return ret;
}
if (!av_fifo_size(buf->fifo))
return AVERROR(EINVAL);
if (flags & AV_BUFFERSINK_FLAG_PEEK) {
cur_frame = *((AVFrame **)av_fifo_peek2(buf->fifo, 0));
av_frame_ref(frame, cur_frame); /* TODO check failure */
} else {
av_fifo_generic_read(buf->fifo, &cur_frame, sizeof(cur_frame), NULL);
av_frame_move_ref(frame, cur_frame);
av_frame_free(&cur_frame);
}
return 0;
}
static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
AVPacket *avpkt) {
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
CamStudioContext *c = avctx->priv_data;
int ret;
if (buf_size < 2) {
av_log(avctx, AV_LOG_ERROR, "coded frame too small\n");
return AVERROR_INVALIDDATA;
}
if ((ret = ff_reget_buffer(avctx, c->pic)) < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return ret;
}
// decompress data
switch ((buf[0] >> 1) & 7) {
case 0: { // lzo compression
int outlen = c->decomp_size, inlen = buf_size - 2;
if (av_lzo1x_decode(c->decomp_buf, &outlen, &buf[2], &inlen))
av_log(avctx, AV_LOG_ERROR, "error during lzo decompression\n");
break;
}
case 1: { // zlib compression
#if CONFIG_ZLIB
unsigned long dlen = c->decomp_size;
if (uncompress(c->decomp_buf, &dlen, &buf[2], buf_size - 2) != Z_OK)
av_log(avctx, AV_LOG_ERROR, "error during zlib decompression\n");
break;
#else
av_log(avctx, AV_LOG_ERROR, "compiled without zlib support\n");
return AVERROR(ENOSYS);
#endif
}
default:
av_log(avctx, AV_LOG_ERROR, "unknown compression\n");
return AVERROR_INVALIDDATA;
}
// flip upside down, add difference frame
if (buf[0] & 1) { // keyframe
c->pic->pict_type = AV_PICTURE_TYPE_I;
c->pic->key_frame = 1;
copy_frame_default(c->pic, c->decomp_buf,
c->linelen, c->height);
} else {
c->pic->pict_type = AV_PICTURE_TYPE_P;
c->pic->key_frame = 0;
add_frame_default(c->pic, c->decomp_buf,
c->linelen, c->height);
}
*got_frame = 1;
if ((ret = av_frame_ref(data, c->pic)) < 0)
return ret;
return buf_size;
}
int SDL_VoutFFmpeg_ConvertFrame(
SDL_VoutOverlay *overlay, AVFrame *frame,
struct SwsContext **p_sws_ctx, int sws_flags)
{
assert(overlay);
assert(p_sws_ctx);
SDL_VoutOverlay_Opaque *opaque = overlay->opaque;
AVPicture dest_pic = { { 0 } };
for (int i = 0; i < overlay->planes; ++i) {
dest_pic.data[i] = overlay->pixels[i];
dest_pic.linesize[i] = overlay->pitches[i];
}
av_frame_unref(opaque->linked_frame);
int use_linked_frame = 0;
enum AVPixelFormat dst_format = AV_PIX_FMT_NONE;
switch (overlay->format) {
case SDL_FCC_YV12:
if (frame->format == AV_PIX_FMT_YUV420P || frame->format == AV_PIX_FMT_YUVJ420P) {
// ALOGE("direct draw frame");
use_linked_frame = 1;
av_frame_ref(opaque->linked_frame, frame);
overlay_fill(overlay, opaque->linked_frame, opaque->planes);
FFSWAP(Uint8*, overlay->pixels[1], overlay->pixels[2]);
} else {
static int smvjpeg_decode_frame(AVCodecContext *avctx, void *data, int *data_size,
AVPacket *avpkt)
{
const AVPixFmtDescriptor *desc;
SMVJpegDecodeContext *s = avctx->priv_data;
AVFrame* mjpeg_data = s->picture[0];
int i, cur_frame = 0, ret = 0;
cur_frame = avpkt->pts % s->frames_per_jpeg;
/* Are we at the start of a block? */
if (!cur_frame) {
av_frame_unref(mjpeg_data);
ret = avcodec_decode_video2(s->avctx, mjpeg_data, &s->mjpeg_data_size, avpkt);
if (ret < 0) {
s->mjpeg_data_size = 0;
return ret;
}
} else if (!s->mjpeg_data_size)
return AVERROR(EINVAL);
desc = av_pix_fmt_desc_get(s->avctx->pix_fmt);
av_assert0(desc);
if (mjpeg_data->height % (s->frames_per_jpeg << desc->log2_chroma_h)) {
av_log(avctx, AV_LOG_ERROR, "Invalid height\n");
return AVERROR_INVALIDDATA;
}
/*use the last lot... */
*data_size = s->mjpeg_data_size;
avctx->pix_fmt = s->avctx->pix_fmt;
/* We shouldn't get here if frames_per_jpeg <= 0 because this was rejected
in init */
ret = ff_set_dimensions(avctx, mjpeg_data->width, mjpeg_data->height / s->frames_per_jpeg);
if (ret < 0) {
av_log(s, AV_LOG_ERROR, "Failed to set dimensions\n");
return ret;
}
if (*data_size) {
s->picture[1]->extended_data = NULL;
s->picture[1]->width = avctx->width;
s->picture[1]->height = avctx->height;
s->picture[1]->format = avctx->pix_fmt;
/* ff_init_buffer_info(avctx, &s->picture[1]); */
smv_img_pnt(s->picture[1]->data, mjpeg_data->data, mjpeg_data->linesize,
avctx->pix_fmt, avctx->width, avctx->height, cur_frame);
for (i = 0; i < AV_NUM_DATA_POINTERS; i++)
s->picture[1]->linesize[i] = mjpeg_data->linesize[i];
ret = av_frame_ref(data, s->picture[1]);
}
return ret;
}
int av_hwframe_map(AVFrame *dst, const AVFrame *src, int flags)
{
AVHWFramesContext *src_frames, *dst_frames;
HWMapDescriptor *hwmap;
int ret;
if (src->hw_frames_ctx && dst->hw_frames_ctx) {
src_frames = (AVHWFramesContext*)src->hw_frames_ctx->data;
dst_frames = (AVHWFramesContext*)dst->hw_frames_ctx->data;
if ((src_frames == dst_frames &&
src->format == dst_frames->sw_format &&
dst->format == dst_frames->format) ||
(src_frames->internal->source_frames &&
src_frames->internal->source_frames->data ==
(uint8_t*)dst_frames)) {
// This is an unmap operation. We don't need to directly
// do anything here other than fill in the original frame,
// because the real unmap will be invoked when the last
// reference to the mapped frame disappears.
if (!src->buf[0]) {
av_log(src_frames, AV_LOG_ERROR, "Invalid mapping "
"found when attempting unmap.\n");
return AVERROR(EINVAL);
}
hwmap = (HWMapDescriptor*)src->buf[0]->data;
av_frame_unref(dst);
return av_frame_ref(dst, hwmap->source);
}
}
if (src->hw_frames_ctx) {
src_frames = (AVHWFramesContext*)src->hw_frames_ctx->data;
if (src_frames->format == src->format &&
src_frames->internal->hw_type->map_from) {
ret = src_frames->internal->hw_type->map_from(src_frames,
dst, src, flags);
if (ret != AVERROR(ENOSYS))
return ret;
}
}
if (dst->hw_frames_ctx) {
dst_frames = (AVHWFramesContext*)dst->hw_frames_ctx->data;
if (dst_frames->format == dst->format &&
dst_frames->internal->hw_type->map_to) {
ret = dst_frames->internal->hw_type->map_to(dst_frames,
dst, src, flags);
if (ret != AVERROR(ENOSYS))
return ret;
}
}
return AVERROR(ENOSYS);
}
int attribute_align_arg av_buffersrc_add_frame(AVFilterContext *ctx,
AVFrame *frame)
{
BufferSourceContext *s = ctx->priv;
AVFrame *copy;
int refcounted, ret;
if (!frame) {
s->eof = 1;
return 0;
} else if (s->eof)
return AVERROR(EINVAL);
refcounted = !!frame->buf[0];
switch (ctx->outputs[0]->type) {
case AVMEDIA_TYPE_VIDEO:
CHECK_VIDEO_PARAM_CHANGE(ctx, s, frame->width, frame->height,
frame->format);
break;
case AVMEDIA_TYPE_AUDIO:
CHECK_AUDIO_PARAM_CHANGE(ctx, s, frame->sample_rate, frame->channel_layout,
frame->format);
break;
default:
return AVERROR(EINVAL);
}
if (!av_fifo_space(s->fifo) &&
(ret = av_fifo_realloc2(s->fifo, av_fifo_size(s->fifo) +
sizeof(copy))) < 0)
return ret;
if (!(copy = av_frame_alloc()))
return AVERROR(ENOMEM);
if (refcounted) {
av_frame_move_ref(copy, frame);
} else {
ret = av_frame_ref(copy, frame);
if (ret < 0) {
av_frame_free(©);
return ret;
}
}
if ((ret = av_fifo_generic_write(s->fifo, ©, sizeof(copy), NULL)) < 0) {
if (refcounted)
av_frame_move_ref(frame, copy);
av_frame_free(©);
return ret;
}
return 0;
}
static AVFrame *do_vmaf(AVFilterContext *ctx, AVFrame *main, const AVFrame *ref)
{
LIBVMAFContext *s = ctx->priv;
pthread_mutex_lock(&s->lock);
while (s->frame_set != 0) {
pthread_cond_wait(&s->cond, &s->lock);
}
av_frame_ref(s->gref, ref);
av_frame_ref(s->gmain, main);
s->frame_set = 1;
pthread_cond_signal(&s->cond);
pthread_mutex_unlock(&s->lock);
return main;
}
AVFrame *av_frame_clone(const AVFrame *src)
{
AVFrame *ret = av_frame_alloc();
if (!ret)
return NULL;
if (av_frame_ref(ret, src) < 0)
av_frame_free(&ret);
return ret;
}
void
MediaPictureImpl::copy(AVFrame* src, bool complete) {
if (!src)
VS_THROW(HumbleInvalidArgument("no src"));
// release any memory we have
av_frame_unref(mFrame);
// and copy any data in.
av_frame_ref(mFrame, src);
RefPointer<Rational> timeBase = getTimeBase();
setTimeBase(timeBase.value());
mComplete=complete;
}
static inline int copy_last_frame
(
lwlibav_video_decode_handler_t *vdhp,
AVFrame *picture
)
{
/* Copy the last decoded and output frame. */
assert( vdhp->last_frame_buffer );
if( picture == vdhp->last_frame_buffer )
return 0;
av_frame_unref( picture );
return av_frame_ref( picture, vdhp->last_frame_buffer );
}
int ff_hwframe_map_create(AVBufferRef *hwframe_ref,
AVFrame *dst, const AVFrame *src,
void (*unmap)(AVHWFramesContext *ctx,
HWMapDescriptor *hwmap),
void *priv)
{
AVHWFramesContext *ctx = (AVHWFramesContext*)hwframe_ref->data;
HWMapDescriptor *hwmap;
int ret;
hwmap = av_mallocz(sizeof(*hwmap));
if (!hwmap) {
ret = AVERROR(ENOMEM);
goto fail;
}
hwmap->source = av_frame_alloc();
if (!hwmap->source) {
ret = AVERROR(ENOMEM);
goto fail;
}
ret = av_frame_ref(hwmap->source, src);
if (ret < 0)
goto fail;
hwmap->hw_frames_ctx = av_buffer_ref(hwframe_ref);
if (!hwmap->hw_frames_ctx) {
ret = AVERROR(ENOMEM);
goto fail;
}
hwmap->unmap = unmap;
hwmap->priv = priv;
dst->buf[0] = av_buffer_create((uint8_t*)hwmap, sizeof(*hwmap),
&ff_hwframe_unmap, ctx, 0);
if (!dst->buf[0]) {
ret = AVERROR(ENOMEM);
goto fail;
}
return 0;
fail:
if (hwmap) {
av_buffer_unref(&hwmap->hw_frames_ctx);
av_frame_free(&hwmap->source);
}
av_free(hwmap);
return ret;
}
static inline int copy_field
(
lw_log_handler_t *lhp,
AVFrame *dst,
AVFrame *src,
int line_offset
)
{
/* Check if the destination is writable. */
if( av_frame_is_writable( dst ) == 0 )
{
/* The destination is NOT writable, so allocate new buffers and copy the data. */
av_frame_unref( dst );
if( av_frame_ref( dst, src ) < 0 )
{
if( lhp->show_log )
lhp->show_log( lhp, LW_LOG_ERROR, "Failed to reference a video frame.\n" );
return -1;
}
if( av_frame_make_writable( dst ) < 0 )
{
if( lhp->show_log )
lhp->show_log( lhp, LW_LOG_ERROR, "Failed to make a video frame writable.\n" );
return -1;
}
/* For direct rendering, the destination can not know
* whether the value at the address held by the opaque pointer is valid or not.
* Anyway, the opaque pointer for direct rendering shall be set to NULL. */
dst->opaque = NULL;
}
else
{
/* The destination is writable. Copy field data from the source. */
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get( (enum AVPixelFormat)dst->format );
int number_of_planes = av_pix_fmt_count_planes( (enum AVPixelFormat)dst->format );
int height = MIN( dst->height, src->height );
for( int i = 0; i < number_of_planes; i++ )
{
int r_shift = 1 + ((i == 1 || i == 2) ? desc->log2_chroma_h : 0);
int field_height = (height >> r_shift) + (line_offset == 0 && (height & 1) ? 1 : 0);
av_image_copy_plane( dst->data[i] + dst->linesize[i] * line_offset, 2 * dst->linesize[i],
src->data[i] + src->linesize[i] * line_offset, 2 * src->linesize[i],
MIN( dst->linesize[i], src->linesize[i] ),
field_height );
}
}
/* Treat this frame as interlaced. */
dst->interlaced_frame = 1;
return 0;
}
int attribute_align_arg av_buffersrc_write_frame(AVFilterContext *ctx, const AVFrame *frame)
{
AVFrame *copy;
int ret = 0;
if (!(copy = av_frame_alloc()))
return AVERROR(ENOMEM);
ret = av_frame_ref(copy, frame);
if (ret >= 0)
ret = av_buffersrc_add_frame(ctx, copy);
av_frame_free(©);
return ret;
}
static int do_vmaf(FFFrameSync *fs)
{
AVFilterContext *ctx = fs->parent;
LIBVMAFContext *s = ctx->priv;
AVFrame *master, *ref;
int ret;
ret = ff_framesync_dualinput_get(fs, &master, &ref);
if (ret < 0)
return ret;
if (!ref)
return ff_filter_frame(ctx->outputs[0], master);
pthread_mutex_lock(&s->lock);
while (s->frame_set && !s->error) {
pthread_cond_wait(&s->cond, &s->lock);
}
if (s->error) {
av_log(ctx, AV_LOG_ERROR,
"libvmaf encountered an error, check log for details\n");
pthread_mutex_unlock(&s->lock);
return AVERROR(EINVAL);
}
av_frame_ref(s->gref, ref);
av_frame_ref(s->gmain, master);
s->frame_set = 1;
pthread_cond_signal(&s->cond);
pthread_mutex_unlock(&s->lock);
return ff_filter_frame(ctx->outputs[0], master);
}
static int mss1_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
AVPacket *avpkt)
{
MSS1Context *ctx = avctx->priv_data;
MSS12Context *c = &ctx->ctx;
GetBitContext gb;
ArithCoder acoder;
int pal_changed = 0;
int ret;
if ((ret = init_get_bits8(&gb, avpkt->data, avpkt->size)) < 0)
return ret;
arith_init(&acoder, &gb);
if ((ret = ff_reget_buffer(avctx, ctx->pic)) < 0)
return ret;
c->pal_pic = ctx->pic->data[0] + ctx->pic->linesize[0] * (avctx->height - 1);
c->pal_stride = -ctx->pic->linesize[0];
c->keyframe = !arith_get_bit(&acoder);
if (c->keyframe) {
c->corrupted = 0;
ff_mss12_slicecontext_reset(&ctx->sc);
pal_changed = decode_pal(c, &acoder);
ctx->pic->key_frame = 1;
ctx->pic->pict_type = AV_PICTURE_TYPE_I;
} else {
if (c->corrupted)
return AVERROR_INVALIDDATA;
ctx->pic->key_frame = 0;
ctx->pic->pict_type = AV_PICTURE_TYPE_P;
}
c->corrupted = ff_mss12_decode_rect(&ctx->sc, &acoder, 0, 0,
avctx->width, avctx->height);
if (c->corrupted)
return AVERROR_INVALIDDATA;
memcpy(ctx->pic->data[1], c->pal, AVPALETTE_SIZE);
ctx->pic->palette_has_changed = pal_changed;
if ((ret = av_frame_ref(data, ctx->pic)) < 0)
return ret;
*got_frame = 1;
/* always report that the buffer was completely consumed */
return avpkt->size;
}
static int aasc_decode_frame(AVCodecContext *avctx,
void *data, int *got_frame,
AVPacket *avpkt)
{
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
AascContext *s = avctx->priv_data;
int compr, i, stride, ret;
if (buf_size < 4)
return AVERROR_INVALIDDATA;
if ((ret = ff_reget_buffer(avctx, s->frame)) < 0) {
av_log(avctx, AV_LOG_ERROR, "reget_buffer() failed\n");
return ret;
}
compr = AV_RL32(buf);
buf += 4;
buf_size -= 4;
switch (compr) {
case 0:
stride = (avctx->width * 3 + 3) & ~3;
if (buf_size < stride * avctx->height)
return AVERROR_INVALIDDATA;
for (i = avctx->height - 1; i >= 0; i--) {
memcpy(s->frame->data[0] + i * s->frame->linesize[0], buf, avctx->width * 3);
buf += stride;
}
break;
case 1:
bytestream2_init(&s->gb, buf, buf_size);
ff_msrle_decode(avctx, (AVPicture*)s->frame, 8, &s->gb);
break;
default:
av_log(avctx, AV_LOG_ERROR, "Unknown compression type %d\n", compr);
return AVERROR_INVALIDDATA;
}
*got_frame = 1;
if ((ret = av_frame_ref(data, s->frame)) < 0)
return ret;
/* report that the buffer was completely consumed */
return avpkt->size;
}
static int mm_decode_frame(AVCodecContext *avctx,
void *data, int *got_frame,
AVPacket *avpkt)
{
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
MmContext *s = avctx->priv_data;
int type, res;
if (buf_size < MM_PREAMBLE_SIZE)
return AVERROR_INVALIDDATA;
type = AV_RL16(&buf[0]);
buf += MM_PREAMBLE_SIZE;
buf_size -= MM_PREAMBLE_SIZE;
bytestream2_init(&s->gb, buf, buf_size);
if ((res = ff_reget_buffer(avctx, &s->frame)) < 0) {
av_log(avctx, AV_LOG_ERROR, "reget_buffer() failed\n");
return res;
}
switch(type) {
case MM_TYPE_PALETTE : res = mm_decode_pal(s); return buf_size;
case MM_TYPE_INTRA : res = mm_decode_intra(s, 0, 0); break;
case MM_TYPE_INTRA_HH : res = mm_decode_intra(s, 1, 0); break;
case MM_TYPE_INTRA_HHV : res = mm_decode_intra(s, 1, 1); break;
case MM_TYPE_INTER : res = mm_decode_inter(s, 0, 0); break;
case MM_TYPE_INTER_HH : res = mm_decode_inter(s, 1, 0); break;
case MM_TYPE_INTER_HHV : res = mm_decode_inter(s, 1, 1); break;
default:
res = AVERROR_INVALIDDATA;
break;
}
if (res < 0)
return res;
memcpy(s->frame.data[1], s->palette, AVPALETTE_SIZE);
if ((res = av_frame_ref(data, &s->frame)) < 0)
return res;
*got_frame = 1;
return buf_size;
}
static inline int copy_frame
(
lw_log_handler_t *lhp,
AVFrame *dst,
AVFrame *src
)
{
av_frame_unref( dst );
if( av_frame_ref( dst, src ) < 0 )
{
if( lhp->show_log )
lhp->show_log( lhp, LW_LOG_ERROR, "Failed to reference a video frame.\n" );
return -1;
}
/* Treat this frame as interlaced. */
dst->interlaced_frame = 1;
return 0;
}
int FrameQueue::put(AVFrame *frame)
{
AVFrameList *frame1;
int ret;
frame1 = (AVFrameList *) av_malloc(sizeof(AVFrameList));
frame1->frame = av_frame_alloc();
if (!frame1 || !frame1->frame){
XLog::e(TAG ,"==>av_malloc failed.\n");
return AVERROR(ENOMEM);
}
if ( (ret = av_frame_ref(frame1->frame, frame) ) < 0) { //// copy frame data (only copy meta data .//TODO)
av_free(frame1);
XLog::e(TAG ,"==>av_frame_ref failed.\n");
return ret;
}
av_frame_unref(frame);
//*(frame1->frame) = *frame;
frame1->next = NULL;
pthread_mutex_lock(&mutex);
if (!last_frame) {
first_frame = frame1;
}
else {
last_frame->next = frame1;
}
last_frame = frame1;
node_count ++;
if(node_count > X_MIN_FRAME_VIDEO_Q_NODE_CNT){
// TODO
notify_buffering_end();
}
pthread_cond_signal(&cond);
pthread_mutex_unlock(&mutex);
return 0;
}
static int sgirle_decode_frame(AVCodecContext *avctx, void *data,
int *got_frame, AVPacket *avpkt)
{
SGIRLEContext *s = avctx->priv_data;
int ret;
if ((ret = ff_reget_buffer(avctx, s->frame)) < 0)
return ret;
ret = decode_sgirle8(avctx, s->frame->data[0], avpkt->data, avpkt->size,
avctx->width, avctx->height, s->frame->linesize[0]);
if (ret < 0)
return ret;
*got_frame = 1;
if ((ret = av_frame_ref(data, s->frame)) < 0)
return ret;
return avpkt->size;
}
static int qtrle_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
const AVFrame *pict, int *got_packet)
{
QtrleEncContext * const s = avctx->priv_data;
int ret;
if ((ret = ff_alloc_packet2(avctx, pkt, s->max_buf_size, 0)) < 0)
return ret;
if (avctx->gop_size == 0 || (s->avctx->frame_number % avctx->gop_size) == 0) {
/* I-Frame */
s->key_frame = 1;
} else {
/* P-Frame */
s->key_frame = 0;
}
pkt->size = encode_frame(s, pict, pkt->data);
/* save the current frame */
av_frame_unref(s->previous_frame);
ret = av_frame_ref(s->previous_frame, pict);
if (ret < 0) {
av_log(avctx, AV_LOG_ERROR, "cannot add reference\n");
return ret;
}
#if FF_API_CODED_FRAME
FF_DISABLE_DEPRECATION_WARNINGS
avctx->coded_frame->key_frame = s->key_frame;
avctx->coded_frame->pict_type = s->key_frame ? AV_PICTURE_TYPE_I : AV_PICTURE_TYPE_P;
FF_ENABLE_DEPRECATION_WARNINGS
#endif
if (s->key_frame)
pkt->flags |= AV_PKT_FLAG_KEY;
*got_packet = 1;
return 0;
}
int attribute_align_arg av_buffersrc_add_frame_flags(AVFilterContext *ctx, AVFrame *frame, int flags)
{
AVFrame *copy = NULL;
int ret = 0;
if (frame && frame->channel_layout &&
av_get_channel_layout_nb_channels(frame->channel_layout) != av_frame_get_channels(frame)) {
av_log(ctx, AV_LOG_ERROR, "Layout indicates a different number of channels than actually present\n");
return AVERROR(EINVAL);
}
if (!(flags & AV_BUFFERSRC_FLAG_KEEP_REF) || !frame)
return av_buffersrc_add_frame_internal(ctx, frame, flags);
if (!(copy = av_frame_alloc()))
return AVERROR(ENOMEM);
ret = av_frame_ref(copy, frame);
if (ret >= 0)
ret = av_buffersrc_add_frame_internal(ctx, copy, flags);
av_frame_free(©);
return ret;
}
static int mjpegb_decode_frame(AVCodecContext *avctx,
void *data, int *got_frame,
AVPacket *avpkt)
{
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
MJpegDecodeContext *s = avctx->priv_data;
const uint8_t *buf_end, *buf_ptr;
GetBitContext hgb; /* for the header */
uint32_t dqt_offs, dht_offs, sof_offs, sos_offs, second_field_offs;
uint32_t field_size, sod_offs;
int ret;
buf_ptr = buf;
buf_end = buf + buf_size;
s->got_picture = 0;
read_header:
/* reset on every SOI */
s->restart_interval = 0;
s->restart_count = 0;
s->mjpb_skiptosod = 0;
if (buf_end - buf_ptr >= 1 << 28)
return AVERROR_INVALIDDATA;
init_get_bits(&hgb, buf_ptr, /*buf_size*/(buf_end - buf_ptr)*8);
skip_bits(&hgb, 32); /* reserved zeros */
if (get_bits_long(&hgb, 32) != MKBETAG('m','j','p','g')) {
av_log(avctx, AV_LOG_WARNING, "not mjpeg-b (bad fourcc)\n");
return AVERROR_INVALIDDATA;
}
field_size = get_bits_long(&hgb, 32); /* field size */
av_log(avctx, AV_LOG_DEBUG, "field size: 0x%"PRIx32"\n", field_size);
skip_bits(&hgb, 32); /* padded field size */
second_field_offs = read_offs(avctx, &hgb, buf_end - buf_ptr, "second_field_offs is %d and size is %d\n");
av_log(avctx, AV_LOG_DEBUG, "second field offs: 0x%"PRIx32"\n",
second_field_offs);
dqt_offs = read_offs(avctx, &hgb, buf_end - buf_ptr, "dqt is %d and size is %d\n");
av_log(avctx, AV_LOG_DEBUG, "dqt offs: 0x%"PRIx32"\n", dqt_offs);
if (dqt_offs) {
init_get_bits(&s->gb, buf_ptr+dqt_offs, (buf_end - (buf_ptr+dqt_offs))*8);
s->start_code = DQT;
ret = ff_mjpeg_decode_dqt(s);
if (ret < 0 && (avctx->err_recognition & AV_EF_EXPLODE))
return ret;
}
dht_offs = read_offs(avctx, &hgb, buf_end - buf_ptr, "dht is %d and size is %d\n");
av_log(avctx, AV_LOG_DEBUG, "dht offs: 0x%"PRIx32"\n", dht_offs);
if (dht_offs) {
init_get_bits(&s->gb, buf_ptr+dht_offs, (buf_end - (buf_ptr+dht_offs))*8);
s->start_code = DHT;
ff_mjpeg_decode_dht(s);
}
sof_offs = read_offs(avctx, &hgb, buf_end - buf_ptr, "sof is %d and size is %d\n");
av_log(avctx, AV_LOG_DEBUG, "sof offs: 0x%"PRIx32"\n", sof_offs);
if (sof_offs) {
init_get_bits(&s->gb, buf_ptr+sof_offs, (buf_end - (buf_ptr+sof_offs))*8);
s->start_code = SOF0;
if ((ret = ff_mjpeg_decode_sof(s)) < 0)
return ret;
}
sos_offs = read_offs(avctx, &hgb, buf_end - buf_ptr, "sos is %d and size is %d\n");
av_log(avctx, AV_LOG_DEBUG, "sos offs: 0x%"PRIx32"\n", sos_offs);
sod_offs = read_offs(avctx, &hgb, buf_end - buf_ptr, "sof is %d and size is %d\n");
av_log(avctx, AV_LOG_DEBUG, "sod offs: 0x%"PRIx32"\n", sod_offs);
if (sos_offs) {
init_get_bits(&s->gb, buf_ptr + sos_offs,
8 * FFMIN(field_size, buf_end - buf_ptr - sos_offs));
s->mjpb_skiptosod = (sod_offs - sos_offs - show_bits(&s->gb, 16));
s->start_code = SOS;
ret = ff_mjpeg_decode_sos(s, NULL, 0, NULL);
if (ret < 0 && (avctx->err_recognition & AV_EF_EXPLODE))
return ret;
}
if (s->interlaced) {
s->bottom_field ^= 1;
/* if not bottom field, do not output image yet */
if (s->bottom_field != s->interlace_polarity && second_field_offs) {
buf_ptr = buf + second_field_offs;
goto read_header;
}
}
//XXX FIXME factorize, this looks very similar to the EOI code
if(!s->got_picture) {
av_log(avctx, AV_LOG_WARNING, "no picture\n");
return buf_size;
}
if ((ret = av_frame_ref(data, s->picture_ptr)) < 0)
return ret;
*got_frame = 1;
if (!s->lossless && avctx->debug & FF_DEBUG_QP) {
av_log(avctx, AV_LOG_DEBUG, "QP: %d\n",
FFMAX3(s->qscale[0], s->qscale[1], s->qscale[2]));
}
return buf_size;
}
static int flic_decode_frame_15_16BPP(AVCodecContext *avctx,
void *data, int *got_frame,
const uint8_t *buf, int buf_size)
{
/* Note, the only difference between the 15Bpp and 16Bpp */
/* Format is the pixel format, the packets are processed the same. */
FlicDecodeContext *s = avctx->priv_data;
GetByteContext g2;
int pixel_ptr;
unsigned char palette_idx1;
unsigned int frame_size;
int num_chunks;
unsigned int chunk_size;
int chunk_type;
int i, j, ret;
int lines;
int compressed_lines;
signed short line_packets;
int y_ptr;
int byte_run;
int pixel_skip;
int pixel_countdown;
unsigned char *pixels;
int pixel;
unsigned int pixel_limit;
bytestream2_init(&g2, buf, buf_size);
if ((ret = ff_reget_buffer(avctx, s->frame)) < 0) {
av_log(avctx, AV_LOG_ERROR, "reget_buffer() failed\n");
return ret;
}
pixels = s->frame->data[0];
pixel_limit = s->avctx->height * s->frame->linesize[0];
frame_size = bytestream2_get_le32(&g2);
bytestream2_skip(&g2, 2); /* skip the magic number */
num_chunks = bytestream2_get_le16(&g2);
bytestream2_skip(&g2, 8); /* skip padding */
frame_size -= 16;
/* iterate through the chunks */
while ((frame_size > 0) && (num_chunks > 0)) {
chunk_size = bytestream2_get_le32(&g2);
chunk_type = bytestream2_get_le16(&g2);
switch (chunk_type) {
case FLI_256_COLOR:
case FLI_COLOR:
/* For some reason, it seems that non-palettized flics do
* include one of these chunks in their first frame.
* Why I do not know, it seems rather extraneous. */
ff_dlog(avctx,
"Unexpected Palette chunk %d in non-palettized FLC\n",
chunk_type);
bytestream2_skip(&g2, chunk_size - 6);
break;
case FLI_DELTA:
case FLI_DTA_LC:
y_ptr = 0;
compressed_lines = bytestream2_get_le16(&g2);
while (compressed_lines > 0) {
line_packets = bytestream2_get_le16(&g2);
if (line_packets < 0) {
line_packets = -line_packets;
y_ptr += line_packets * s->frame->linesize[0];
} else {
compressed_lines--;
pixel_ptr = y_ptr;
CHECK_PIXEL_PTR(0);
pixel_countdown = s->avctx->width;
for (i = 0; i < line_packets; i++) {
/* account for the skip bytes */
pixel_skip = bytestream2_get_byte(&g2);
pixel_ptr += (pixel_skip*2); /* Pixel is 2 bytes wide */
pixel_countdown -= pixel_skip;
byte_run = sign_extend(bytestream2_get_byte(&g2), 8);
if (byte_run < 0) {
byte_run = -byte_run;
pixel = bytestream2_get_le16(&g2);
CHECK_PIXEL_PTR(2 * byte_run);
for (j = 0; j < byte_run; j++, pixel_countdown -= 2) {
*((signed short*)(&pixels[pixel_ptr])) = pixel;
pixel_ptr += 2;
}
} else {
CHECK_PIXEL_PTR(2 * byte_run);
for (j = 0; j < byte_run; j++, pixel_countdown--) {
*((signed short*)(&pixels[pixel_ptr])) = bytestream2_get_le16(&g2);
pixel_ptr += 2;
}
}
}
y_ptr += s->frame->linesize[0];
}
}
break;
case FLI_LC:
av_log(avctx, AV_LOG_ERROR, "Unexpected FLI_LC chunk in non-palettized FLC\n");
bytestream2_skip(&g2, chunk_size - 6);
break;
case FLI_BLACK:
/* set the whole frame to 0x0000 which is black in both 15Bpp and 16Bpp modes. */
memset(pixels, 0x0000,
s->frame->linesize[0] * s->avctx->height);
break;
case FLI_BRUN:
y_ptr = 0;
for (lines = 0; lines < s->avctx->height; lines++) {
pixel_ptr = y_ptr;
/* disregard the line packets; instead, iterate through all
* pixels on a row */
bytestream2_skip(&g2, 1);
pixel_countdown = (s->avctx->width * 2);
while (pixel_countdown > 0) {
byte_run = sign_extend(bytestream2_get_byte(&g2), 8);
if (byte_run > 0) {
palette_idx1 = bytestream2_get_byte(&g2);
CHECK_PIXEL_PTR(byte_run);
for (j = 0; j < byte_run; j++) {
pixels[pixel_ptr++] = palette_idx1;
pixel_countdown--;
if (pixel_countdown < 0)
av_log(avctx, AV_LOG_ERROR, "pixel_countdown < 0 (%d) (linea%d)\n",
pixel_countdown, lines);
}
} else { /* copy bytes if byte_run < 0 */
byte_run = -byte_run;
CHECK_PIXEL_PTR(byte_run);
for (j = 0; j < byte_run; j++) {
palette_idx1 = bytestream2_get_byte(&g2);
pixels[pixel_ptr++] = palette_idx1;
pixel_countdown--;
if (pixel_countdown < 0)
av_log(avctx, AV_LOG_ERROR, "pixel_countdown < 0 (%d) at line %d\n",
pixel_countdown, lines);
}
}
}
/* Now FLX is strange, in that it is "byte" as opposed to "pixel" run length compressed.
* This does not give us any good opportunity to perform word endian conversion
* during decompression. So if it is required (i.e., this is not a LE target, we do
* a second pass over the line here, swapping the bytes.
*/
#if HAVE_BIGENDIAN
pixel_ptr = y_ptr;
pixel_countdown = s->avctx->width;
while (pixel_countdown > 0) {
*((signed short*)(&pixels[pixel_ptr])) = AV_RL16(&buf[pixel_ptr]);
pixel_ptr += 2;
}
#endif
y_ptr += s->frame->linesize[0];
}
break;
case FLI_DTA_BRUN:
y_ptr = 0;
for (lines = 0; lines < s->avctx->height; lines++) {
pixel_ptr = y_ptr;
/* disregard the line packets; instead, iterate through all
* pixels on a row */
bytestream2_skip(&g2, 1);
pixel_countdown = s->avctx->width; /* Width is in pixels, not bytes */
while (pixel_countdown > 0) {
byte_run = sign_extend(bytestream2_get_byte(&g2), 8);
if (byte_run > 0) {
pixel = bytestream2_get_le16(&g2);
CHECK_PIXEL_PTR(2 * byte_run);
for (j = 0; j < byte_run; j++) {
*((signed short*)(&pixels[pixel_ptr])) = pixel;
pixel_ptr += 2;
pixel_countdown--;
if (pixel_countdown < 0)
av_log(avctx, AV_LOG_ERROR, "pixel_countdown < 0 (%d)\n",
pixel_countdown);
}
} else { /* copy pixels if byte_run < 0 */
byte_run = -byte_run;
CHECK_PIXEL_PTR(2 * byte_run);
for (j = 0; j < byte_run; j++) {
*((signed short*)(&pixels[pixel_ptr])) = bytestream2_get_le16(&g2);
pixel_ptr += 2;
pixel_countdown--;
if (pixel_countdown < 0)
av_log(avctx, AV_LOG_ERROR, "pixel_countdown < 0 (%d)\n",
pixel_countdown);
}
}
}
y_ptr += s->frame->linesize[0];
}
break;
case FLI_COPY:
case FLI_DTA_COPY:
/* copy the chunk (uncompressed frame) */
if (chunk_size - 6 > (unsigned int)(s->avctx->width * s->avctx->height)*2) {
av_log(avctx, AV_LOG_ERROR, "In chunk FLI_COPY : source data (%d bytes) " \
"bigger than image, skipping chunk\n", chunk_size - 6);
bytestream2_skip(&g2, chunk_size - 6);
} else {
for (y_ptr = 0; y_ptr < s->frame->linesize[0] * s->avctx->height;
y_ptr += s->frame->linesize[0]) {
pixel_countdown = s->avctx->width;
pixel_ptr = 0;
while (pixel_countdown > 0) {
*((signed short*)(&pixels[y_ptr + pixel_ptr])) = bytestream2_get_le16(&g2);
pixel_ptr += 2;
pixel_countdown--;
}
}
}
break;
case FLI_MINI:
/* some sort of a thumbnail? disregard this chunk... */
bytestream2_skip(&g2, chunk_size - 6);
break;
default:
av_log(avctx, AV_LOG_ERROR, "Unrecognized chunk type: %d\n", chunk_type);
break;
}
frame_size -= chunk_size;
num_chunks--;
}
/* by the end of the chunk, the stream ptr should equal the frame
* size (minus 1, possibly); if it doesn't, issue a warning */
if ((bytestream2_get_bytes_left(&g2) != 0) && (bytestream2_get_bytes_left(&g2) != 1))
av_log(avctx, AV_LOG_ERROR, "Processed FLI chunk where chunk size = %d " \
"and final chunk ptr = %d\n", buf_size, bytestream2_tell(&g2));
if ((ret = av_frame_ref(data, s->frame)) < 0)
return ret;
*got_frame = 1;
return buf_size;
}
static int flic_decode_frame_8BPP(AVCodecContext *avctx,
void *data, int *got_frame,
const uint8_t *buf, int buf_size)
{
FlicDecodeContext *s = avctx->priv_data;
GetByteContext g2;
int stream_ptr_after_color_chunk;
int pixel_ptr;
int palette_ptr;
unsigned char palette_idx1;
unsigned char palette_idx2;
unsigned int frame_size;
int num_chunks;
unsigned int chunk_size;
int chunk_type;
int i, j, ret;
int color_packets;
int color_changes;
int color_shift;
unsigned char r, g, b;
int lines;
int compressed_lines;
int starting_line;
signed short line_packets;
int y_ptr;
int byte_run;
int pixel_skip;
int pixel_countdown;
unsigned char *pixels;
unsigned int pixel_limit;
bytestream2_init(&g2, buf, buf_size);
if ((ret = ff_reget_buffer(avctx, s->frame)) < 0) {
av_log(avctx, AV_LOG_ERROR, "reget_buffer() failed\n");
return ret;
}
pixels = s->frame->data[0];
pixel_limit = s->avctx->height * s->frame->linesize[0];
frame_size = bytestream2_get_le32(&g2);
bytestream2_skip(&g2, 2); /* skip the magic number */
num_chunks = bytestream2_get_le16(&g2);
bytestream2_skip(&g2, 8); /* skip padding */
frame_size -= 16;
/* iterate through the chunks */
while ((frame_size > 0) && (num_chunks > 0)) {
chunk_size = bytestream2_get_le32(&g2);
chunk_type = bytestream2_get_le16(&g2);
switch (chunk_type) {
case FLI_256_COLOR:
case FLI_COLOR:
stream_ptr_after_color_chunk = bytestream2_tell(&g2) + chunk_size - 6;
/* check special case: If this file is from the Magic Carpet
* game and uses 6-bit colors even though it reports 256-color
* chunks in a 0xAF12-type file (fli_type is set to 0xAF13 during
* initialization) */
if ((chunk_type == FLI_256_COLOR) && (s->fli_type != FLC_MAGIC_CARPET_SYNTHETIC_TYPE_CODE))
color_shift = 0;
else
color_shift = 2;
/* set up the palette */
color_packets = bytestream2_get_le16(&g2);
palette_ptr = 0;
for (i = 0; i < color_packets; i++) {
/* first byte is how many colors to skip */
palette_ptr += bytestream2_get_byte(&g2);
/* next byte indicates how many entries to change */
color_changes = bytestream2_get_byte(&g2);
/* if there are 0 color changes, there are actually 256 */
if (color_changes == 0)
color_changes = 256;
for (j = 0; j < color_changes; j++) {
unsigned int entry;
/* wrap around, for good measure */
if ((unsigned)palette_ptr >= 256)
palette_ptr = 0;
r = bytestream2_get_byte(&g2) << color_shift;
g = bytestream2_get_byte(&g2) << color_shift;
b = bytestream2_get_byte(&g2) << color_shift;
entry = (r << 16) | (g << 8) | b;
if (s->palette[palette_ptr] != entry)
s->new_palette = 1;
s->palette[palette_ptr++] = entry;
}
}
/* color chunks sometimes have weird 16-bit alignment issues;
* therefore, take the hardline approach and skip
* to the value calculated w.r.t. the size specified by the color
* chunk header */
if (stream_ptr_after_color_chunk - bytestream2_tell(&g2) > 0)
bytestream2_skip(&g2, stream_ptr_after_color_chunk - bytestream2_tell(&g2));
break;
case FLI_DELTA:
y_ptr = 0;
compressed_lines = bytestream2_get_le16(&g2);
while (compressed_lines > 0) {
line_packets = bytestream2_get_le16(&g2);
if ((line_packets & 0xC000) == 0xC000) {
// line skip opcode
line_packets = -line_packets;
y_ptr += line_packets * s->frame->linesize[0];
} else if ((line_packets & 0xC000) == 0x4000) {
av_log(avctx, AV_LOG_ERROR, "Undefined opcode (%x) in DELTA_FLI\n", line_packets);
} else if ((line_packets & 0xC000) == 0x8000) {
// "last byte" opcode
pixel_ptr= y_ptr + s->frame->linesize[0] - 1;
CHECK_PIXEL_PTR(0);
pixels[pixel_ptr] = line_packets & 0xff;
} else {
compressed_lines--;
pixel_ptr = y_ptr;
CHECK_PIXEL_PTR(0);
pixel_countdown = s->avctx->width;
for (i = 0; i < line_packets; i++) {
/* account for the skip bytes */
pixel_skip = bytestream2_get_byte(&g2);
pixel_ptr += pixel_skip;
pixel_countdown -= pixel_skip;
byte_run = sign_extend(bytestream2_get_byte(&g2), 8);
if (byte_run < 0) {
byte_run = -byte_run;
palette_idx1 = bytestream2_get_byte(&g2);
palette_idx2 = bytestream2_get_byte(&g2);
CHECK_PIXEL_PTR(byte_run * 2);
for (j = 0; j < byte_run; j++, pixel_countdown -= 2) {
pixels[pixel_ptr++] = palette_idx1;
pixels[pixel_ptr++] = palette_idx2;
}
} else {
CHECK_PIXEL_PTR(byte_run * 2);
for (j = 0; j < byte_run * 2; j++, pixel_countdown--) {
pixels[pixel_ptr++] = bytestream2_get_byte(&g2);
}
}
}
y_ptr += s->frame->linesize[0];
}
}
break;
case FLI_LC:
/* line compressed */
starting_line = bytestream2_get_le16(&g2);
y_ptr = 0;
y_ptr += starting_line * s->frame->linesize[0];
compressed_lines = bytestream2_get_le16(&g2);
while (compressed_lines > 0) {
pixel_ptr = y_ptr;
CHECK_PIXEL_PTR(0);
pixel_countdown = s->avctx->width;
line_packets = bytestream2_get_byte(&g2);
if (line_packets > 0) {
for (i = 0; i < line_packets; i++) {
/* account for the skip bytes */
pixel_skip = bytestream2_get_byte(&g2);
pixel_ptr += pixel_skip;
pixel_countdown -= pixel_skip;
byte_run = sign_extend(bytestream2_get_byte(&g2),8);
if (byte_run > 0) {
CHECK_PIXEL_PTR(byte_run);
for (j = 0; j < byte_run; j++, pixel_countdown--) {
pixels[pixel_ptr++] = bytestream2_get_byte(&g2);
}
} else if (byte_run < 0) {
byte_run = -byte_run;
palette_idx1 = bytestream2_get_byte(&g2);
CHECK_PIXEL_PTR(byte_run);
for (j = 0; j < byte_run; j++, pixel_countdown--) {
pixels[pixel_ptr++] = palette_idx1;
}
}
}
}
y_ptr += s->frame->linesize[0];
compressed_lines--;
}
break;
case FLI_BLACK:
/* set the whole frame to color 0 (which is usually black) */
memset(pixels, 0,
s->frame->linesize[0] * s->avctx->height);
break;
case FLI_BRUN:
/* Byte run compression: This chunk type only occurs in the first
* FLI frame and it will update the entire frame. */
y_ptr = 0;
for (lines = 0; lines < s->avctx->height; lines++) {
pixel_ptr = y_ptr;
/* disregard the line packets; instead, iterate through all
* pixels on a row */
bytestream2_skip(&g2, 1);
pixel_countdown = s->avctx->width;
while (pixel_countdown > 0) {
byte_run = sign_extend(bytestream2_get_byte(&g2), 8);
if (!byte_run) {
av_log(avctx, AV_LOG_ERROR, "Invalid byte run value.\n");
return AVERROR_INVALIDDATA;
}
if (byte_run > 0) {
palette_idx1 = bytestream2_get_byte(&g2);
CHECK_PIXEL_PTR(byte_run);
for (j = 0; j < byte_run; j++) {
pixels[pixel_ptr++] = palette_idx1;
pixel_countdown--;
if (pixel_countdown < 0)
av_log(avctx, AV_LOG_ERROR, "pixel_countdown < 0 (%d) at line %d\n",
pixel_countdown, lines);
}
} else { /* copy bytes if byte_run < 0 */
byte_run = -byte_run;
CHECK_PIXEL_PTR(byte_run);
for (j = 0; j < byte_run; j++) {
pixels[pixel_ptr++] = bytestream2_get_byte(&g2);
pixel_countdown--;
if (pixel_countdown < 0)
av_log(avctx, AV_LOG_ERROR, "pixel_countdown < 0 (%d) at line %d\n",
pixel_countdown, lines);
}
}
}
y_ptr += s->frame->linesize[0];
}
break;
case FLI_COPY:
/* copy the chunk (uncompressed frame) */
if (chunk_size - 6 > s->avctx->width * s->avctx->height) {
av_log(avctx, AV_LOG_ERROR, "In chunk FLI_COPY : source data (%d bytes) " \
"bigger than image, skipping chunk\n", chunk_size - 6);
bytestream2_skip(&g2, chunk_size - 6);
} else {
for (y_ptr = 0; y_ptr < s->frame->linesize[0] * s->avctx->height;
y_ptr += s->frame->linesize[0]) {
bytestream2_get_buffer(&g2, &pixels[y_ptr],
s->avctx->width);
}
}
break;
case FLI_MINI:
/* some sort of a thumbnail? disregard this chunk... */
bytestream2_skip(&g2, chunk_size - 6);
break;
default:
av_log(avctx, AV_LOG_ERROR, "Unrecognized chunk type: %d\n", chunk_type);
break;
}
frame_size -= chunk_size;
num_chunks--;
}
/* by the end of the chunk, the stream ptr should equal the frame
* size (minus 1, possibly); if it doesn't, issue a warning */
if ((bytestream2_get_bytes_left(&g2) != 0) &&
(bytestream2_get_bytes_left(&g2) != 1))
av_log(avctx, AV_LOG_ERROR, "Processed FLI chunk where chunk size = %d " \
"and final chunk ptr = %d\n", buf_size,
buf_size - bytestream2_get_bytes_left(&g2));
/* make the palette available on the way out */
memcpy(s->frame->data[1], s->palette, AVPALETTE_SIZE);
if (s->new_palette) {
s->frame->palette_has_changed = 1;
s->new_palette = 0;
}
if ((ret = av_frame_ref(data, s->frame)) < 0)
return ret;
*got_frame = 1;
return buf_size;
}
static int qsv_decode(AVCodecContext *avctx, QSVContext *q,
AVFrame *frame, int *got_frame,
AVPacket *avpkt)
{
QSVFrame *out_frame;
mfxFrameSurface1 *insurf;
mfxFrameSurface1 *outsurf;
mfxSyncPoint *sync;
mfxBitstream bs = { { { 0 } } };
int ret;
if (avpkt->size) {
bs.Data = avpkt->data;
bs.DataLength = avpkt->size;
bs.MaxLength = bs.DataLength;
bs.TimeStamp = avpkt->pts;
}
sync = av_mallocz(sizeof(*sync));
if (!sync) {
av_freep(&sync);
return AVERROR(ENOMEM);
}
do {
ret = get_surface(avctx, q, &insurf);
if (ret < 0)
return ret;
ret = MFXVideoDECODE_DecodeFrameAsync(q->session, avpkt->size ? &bs : NULL,
insurf, &outsurf, sync);
if (ret == MFX_WRN_DEVICE_BUSY)
av_usleep(1);
} while (ret == MFX_WRN_DEVICE_BUSY || ret == MFX_ERR_MORE_SURFACE);
if (ret != MFX_ERR_NONE &&
ret != MFX_ERR_MORE_DATA &&
ret != MFX_WRN_VIDEO_PARAM_CHANGED &&
ret != MFX_ERR_MORE_SURFACE) {
av_freep(&sync);
return ff_qsv_print_error(avctx, ret,
"Error during QSV decoding.");
}
/* make sure we do not enter an infinite loop if the SDK
* did not consume any data and did not return anything */
if (!*sync && !bs.DataOffset) {
ff_qsv_print_warning(avctx, ret, "A decode call did not consume any data");
bs.DataOffset = avpkt->size;
}
if (*sync) {
QSVFrame *out_frame = find_frame(q, outsurf);
if (!out_frame) {
av_log(avctx, AV_LOG_ERROR,
"The returned surface does not correspond to any frame\n");
av_freep(&sync);
return AVERROR_BUG;
}
out_frame->queued = 1;
av_fifo_generic_write(q->async_fifo, &out_frame, sizeof(out_frame), NULL);
av_fifo_generic_write(q->async_fifo, &sync, sizeof(sync), NULL);
} else {
av_freep(&sync);
}
if (!av_fifo_space(q->async_fifo) ||
(!avpkt->size && av_fifo_size(q->async_fifo))) {
AVFrame *src_frame;
av_fifo_generic_read(q->async_fifo, &out_frame, sizeof(out_frame), NULL);
av_fifo_generic_read(q->async_fifo, &sync, sizeof(sync), NULL);
out_frame->queued = 0;
do {
ret = MFXVideoCORE_SyncOperation(q->session, *sync, 1000);
} while (ret == MFX_WRN_IN_EXECUTION);
av_freep(&sync);
src_frame = out_frame->frame;
ret = av_frame_ref(frame, src_frame);
if (ret < 0)
return ret;
outsurf = &out_frame->surface;
#if FF_API_PKT_PTS
FF_DISABLE_DEPRECATION_WARNINGS
frame->pkt_pts = outsurf->Data.TimeStamp;
FF_ENABLE_DEPRECATION_WARNINGS
#endif
frame->pts = outsurf->Data.TimeStamp;
frame->repeat_pict =
outsurf->Info.PicStruct & MFX_PICSTRUCT_FRAME_TRIPLING ? 4 :
outsurf->Info.PicStruct & MFX_PICSTRUCT_FRAME_DOUBLING ? 2 :
outsurf->Info.PicStruct & MFX_PICSTRUCT_FIELD_REPEATED ? 1 : 0;
frame->top_field_first =
outsurf->Info.PicStruct & MFX_PICSTRUCT_FIELD_TFF;
frame->interlaced_frame =
!(outsurf->Info.PicStruct & MFX_PICSTRUCT_PROGRESSIVE);
/* update the surface properties */
if (avctx->pix_fmt == AV_PIX_FMT_QSV)
((mfxFrameSurface1*)frame->data[3])->Info = outsurf->Info;
*got_frame = 1;
}
return bs.DataOffset;
}