summaryrefslogtreecommitdiff
path: root/media/ffvpx/libavcodec/decode.c
diff options
context:
space:
mode:
Diffstat (limited to 'media/ffvpx/libavcodec/decode.c')
-rw-r--r--media/ffvpx/libavcodec/decode.c122
1 files changed, 102 insertions, 20 deletions
diff --git a/media/ffvpx/libavcodec/decode.c b/media/ffvpx/libavcodec/decode.c
index 421a8f1a35..9a6c57b7b8 100644
--- a/media/ffvpx/libavcodec/decode.c
+++ b/media/ffvpx/libavcodec/decode.c
@@ -36,6 +36,7 @@
#include "libavutil/imgutils.h"
#include "libavutil/internal.h"
#include "libavutil/intmath.h"
+#include "libavutil/opt.h"
#include "avcodec.h"
#include "bytestream.h"
@@ -181,7 +182,7 @@ static int unrefcount_frame(AVCodecInternal *avci, AVFrame *frame)
return 0;
}
-static int bsfs_init(AVCodecContext *avctx)
+int ff_decode_bsfs_init(AVCodecContext *avctx)
{
AVCodecInternal *avci = avctx->internal;
DecodeFilterContext *s = &avci->filter;
@@ -195,27 +196,33 @@ static int bsfs_init(AVCodecContext *avctx)
while (bsfs_str && *bsfs_str) {
AVBSFContext **tmp;
const AVBitStreamFilter *filter;
- char *bsf;
+ char *bsf, *bsf_options_str, *bsf_name;
bsf = av_get_token(&bsfs_str, ",");
if (!bsf) {
ret = AVERROR(ENOMEM);
goto fail;
}
+ bsf_name = av_strtok(bsf, "=", &bsf_options_str);
+ if (!bsf_name) {
+ av_freep(&bsf);
+ ret = AVERROR(ENOMEM);
+ goto fail;
+ }
- filter = av_bsf_get_by_name(bsf);
+ filter = av_bsf_get_by_name(bsf_name);
if (!filter) {
av_log(avctx, AV_LOG_ERROR, "A non-existing bitstream filter %s "
"requested by a decoder. This is a bug, please report it.\n",
- bsf);
- ret = AVERROR_BUG;
+ bsf_name);
av_freep(&bsf);
+ ret = AVERROR_BUG;
goto fail;
}
- av_freep(&bsf);
tmp = av_realloc_array(s->bsfs, s->nb_bsfs + 1, sizeof(*s->bsfs));
if (!tmp) {
+ av_freep(&bsf);
ret = AVERROR(ENOMEM);
goto fail;
}
@@ -223,8 +230,10 @@ static int bsfs_init(AVCodecContext *avctx)
s->nb_bsfs++;
ret = av_bsf_alloc(filter, &s->bsfs[s->nb_bsfs - 1]);
- if (ret < 0)
+ if (ret < 0) {
+ av_freep(&bsf);
goto fail;
+ }
if (s->nb_bsfs == 1) {
/* We do not currently have an API for passing the input timebase into decoders,
@@ -238,12 +247,38 @@ static int bsfs_init(AVCodecContext *avctx)
ret = avcodec_parameters_copy(s->bsfs[s->nb_bsfs - 1]->par_in,
s->bsfs[s->nb_bsfs - 2]->par_out);
}
- if (ret < 0)
+ if (ret < 0) {
+ av_freep(&bsf);
goto fail;
+ }
+
+ if (bsf_options_str && filter->priv_class) {
+ const AVOption *opt = av_opt_next(s->bsfs[s->nb_bsfs - 1]->priv_data, NULL);
+ const char * shorthand[2] = {NULL};
+
+ if (opt)
+ shorthand[0] = opt->name;
+
+ ret = av_opt_set_from_string(s->bsfs[s->nb_bsfs - 1]->priv_data, bsf_options_str, shorthand, "=", ":");
+ if (ret < 0) {
+ if (ret != AVERROR(ENOMEM)) {
+ av_log(avctx, AV_LOG_ERROR, "Invalid options for bitstream filter %s "
+ "requested by the decoder. This is a bug, please report it.\n",
+ bsf_name);
+ ret = AVERROR_BUG;
+ }
+ av_freep(&bsf);
+ goto fail;
+ }
+ }
+ av_freep(&bsf);
ret = av_bsf_init(s->bsfs[s->nb_bsfs - 1]);
if (ret < 0)
goto fail;
+
+ if (*bsfs_str)
+ bsfs_str++;
}
return 0;
@@ -653,10 +688,6 @@ int attribute_align_arg avcodec_send_packet(AVCodecContext *avctx, const AVPacke
if (avpkt && !avpkt->size && avpkt->data)
return AVERROR(EINVAL);
- ret = bsfs_init(avctx);
- if (ret < 0)
- return ret;
-
av_packet_unref(avci->buffer_pkt);
if (avpkt && (avpkt->data || avpkt->side_data_elems)) {
ret = av_packet_ref(avci->buffer_pkt, avpkt);
@@ -709,17 +740,13 @@ static int apply_cropping(AVCodecContext *avctx, AVFrame *frame)
int attribute_align_arg avcodec_receive_frame(AVCodecContext *avctx, AVFrame *frame)
{
AVCodecInternal *avci = avctx->internal;
- int ret;
+ int ret, changed;
av_frame_unref(frame);
if (!avcodec_is_open(avctx) || !av_codec_is_decoder(avctx->codec))
return AVERROR(EINVAL);
- ret = bsfs_init(avctx);
- if (ret < 0)
- return ret;
-
if (avci->buffer_frame->buf[0]) {
av_frame_move_ref(frame, avci->buffer_frame);
} else {
@@ -738,6 +765,51 @@ int attribute_align_arg avcodec_receive_frame(AVCodecContext *avctx, AVFrame *fr
avctx->frame_number++;
+ if (avctx->flags & AV_CODEC_FLAG_DROPCHANGED) {
+
+ if (avctx->frame_number == 1) {
+ avci->initial_format = frame->format;
+ switch(avctx->codec_type) {
+ case AVMEDIA_TYPE_VIDEO:
+ avci->initial_width = frame->width;
+ avci->initial_height = frame->height;
+ break;
+ case AVMEDIA_TYPE_AUDIO:
+ avci->initial_sample_rate = frame->sample_rate ? frame->sample_rate :
+ avctx->sample_rate;
+ avci->initial_channels = frame->channels;
+ avci->initial_channel_layout = frame->channel_layout;
+ break;
+ }
+ }
+
+ if (avctx->frame_number > 1) {
+ changed = avci->initial_format != frame->format;
+
+ switch(avctx->codec_type) {
+ case AVMEDIA_TYPE_VIDEO:
+ changed |= avci->initial_width != frame->width ||
+ avci->initial_height != frame->height;
+ break;
+ case AVMEDIA_TYPE_AUDIO:
+ changed |= avci->initial_sample_rate != frame->sample_rate ||
+ avci->initial_sample_rate != avctx->sample_rate ||
+ avci->initial_channels != frame->channels ||
+ avci->initial_channel_layout != frame->channel_layout;
+ break;
+ }
+
+ if (changed) {
+ avci->changed_frames_dropped++;
+ av_log(avctx, AV_LOG_INFO, "dropped changed frame #%d pts %"PRId64
+ " drop count: %d \n",
+ avctx->frame_number, frame->pts,
+ avci->changed_frames_dropped);
+ av_frame_unref(frame);
+ return AVERROR_INPUT_CHANGED;
+ }
+ }
+ }
return 0;
}
@@ -1351,6 +1423,7 @@ int ff_get_format(AVCodecContext *avctx, const enum AVPixelFormat *fmt)
if (i == n) {
av_log(avctx, AV_LOG_ERROR, "Invalid return from get_format(): "
"%s not in possible list.\n", desc->name);
+ ret = AV_PIX_FMT_NONE;
break;
}
@@ -1469,7 +1542,7 @@ static int update_frame_pool(AVCodecContext *avctx, AVFrame *frame)
tmpsize = av_image_fill_pointers(data, avctx->pix_fmt, h,
NULL, linesize);
if (tmpsize < 0)
- return -1;
+ return tmpsize;
for (i = 0; i < 3 && data[i + 1]; i++)
size[i] = data[i + 1] - data[i];
@@ -1837,7 +1910,8 @@ static int get_buffer_internal(AVCodecContext *avctx, AVFrame *frame, int flags)
int ret;
if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
- if ((ret = av_image_check_size2(avctx->width, avctx->height, avctx->max_pixels, AV_PIX_FMT_NONE, 0, avctx)) < 0 || avctx->pix_fmt<0) {
+ if ((unsigned)avctx->width > INT_MAX - STRIDE_ALIGN ||
+ (ret = av_image_check_size2(FFALIGN(avctx->width, STRIDE_ALIGN), avctx->height, avctx->max_pixels, AV_PIX_FMT_NONE, 0, avctx)) < 0 || avctx->pix_fmt<0) {
av_log(avctx, AV_LOG_ERROR, "video_get_buffer: image parameters invalid\n");
return AVERROR(EINVAL);
}
@@ -1943,6 +2017,14 @@ int ff_reget_buffer(AVCodecContext *avctx, AVFrame *frame)
return ret;
}
+static void bsfs_flush(AVCodecContext *avctx)
+{
+ DecodeFilterContext *s = &avctx->internal->filter;
+
+ for (int i = 0; i < s->nb_bsfs; i++)
+ av_bsf_flush(s->bsfs[i]);
+}
+
void avcodec_flush_buffers(AVCodecContext *avctx)
{
avctx->internal->draining = 0;
@@ -1963,7 +2045,7 @@ void avcodec_flush_buffers(AVCodecContext *avctx)
avctx->pts_correction_last_pts =
avctx->pts_correction_last_dts = INT64_MIN;
- ff_decode_bsfs_uninit(avctx);
+ bsfs_flush(avctx);
if (!avctx->refcounted_frames)
av_frame_unref(avctx->internal->to_free);