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avcodec/nvenc: extract sei data prep into own function

This commit is contained in:
Timo Rothenpieler 2021-06-04 18:40:17 +02:00
parent cee9f9628f
commit 57de80673c
1 changed files with 99 additions and 85 deletions
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184
libavcodec/nvenc.c
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@ -2075,6 +2075,101 @@ static int output_ready(AVCodecContext *avctx, int flush)
return (nb_ready > 0) && (nb_ready + nb_pending >= ctx->async_depth);
}
static int prepare_sei_data_array(AVCodecContext *avctx, const AVFrame *frame)
{
NvencContext *ctx = avctx->priv_data;
int sei_count = 0;
int i, res;
if (ctx->a53_cc && av_frame_get_side_data(frame, AV_FRAME_DATA_A53_CC)) {
void *a53_data = NULL;
size_t a53_size = 0;
if (ff_alloc_a53_sei(frame, 0, &a53_data, &a53_size) < 0) {
av_log(ctx, AV_LOG_ERROR, "Not enough memory for closed captions, skipping\n");
}
if (a53_data) {
void *tmp = av_fast_realloc(ctx->sei_data,
&ctx->sei_data_size,
(sei_count + 1) * sizeof(*ctx->sei_data));
if (!tmp) {
av_free(a53_data);
res = AVERROR(ENOMEM);
goto error;
} else {
ctx->sei_data = tmp;
ctx->sei_data[sei_count].payloadSize = (uint32_t)a53_size;
ctx->sei_data[sei_count].payloadType = 4;
ctx->sei_data[sei_count].payload = (uint8_t*)a53_data;
sei_count++;
}
}
}
if (ctx->s12m_tc && av_frame_get_side_data(frame, AV_FRAME_DATA_S12M_TIMECODE)) {
void *tc_data = NULL;
size_t tc_size = 0;
if (ff_alloc_timecode_sei(frame, avctx->framerate, 0, &tc_data, &tc_size) < 0) {
av_log(ctx, AV_LOG_ERROR, "Not enough memory for timecode sei, skipping\n");
}
if (tc_data) {
void *tmp = av_fast_realloc(ctx->sei_data,
&ctx->sei_data_size,
(sei_count + 1) * sizeof(*ctx->sei_data));
if (!tmp) {
av_free(tc_data);
res = AVERROR(ENOMEM);
goto error;
} else {
ctx->sei_data = tmp;
ctx->sei_data[sei_count].payloadSize = (uint32_t)tc_size;
ctx->sei_data[sei_count].payloadType = SEI_TYPE_TIME_CODE;
ctx->sei_data[sei_count].payload = (uint8_t*)tc_data;
sei_count++;
}
}
}
for (i = 0; i < frame->nb_side_data; i++) {
AVFrameSideData *side_data = frame->side_data[i];
void *tmp;
if (side_data->type != AV_FRAME_DATA_SEI_UNREGISTERED)
continue;
tmp = av_fast_realloc(ctx->sei_data,
&ctx->sei_data_size,
(sei_count + 1) * sizeof(*ctx->sei_data));
if (!tmp) {
res = AVERROR(ENOMEM);
goto error;
} else {
ctx->sei_data = tmp;
ctx->sei_data[sei_count].payloadSize = side_data->size;
ctx->sei_data[sei_count].payloadType = SEI_TYPE_USER_DATA_UNREGISTERED;
ctx->sei_data[sei_count].payload = av_memdup(side_data->data, side_data->size);
if (!ctx->sei_data[sei_count].payload) {
res = AVERROR(ENOMEM);
goto error;
}
sei_count++;
}
}
return sei_count;
error:
for (i = 0; i < sei_count; i++)
av_freep(&(ctx->sei_data[i].payload));
return res;
}
static void reconfig_encoder(AVCodecContext *avctx, const AVFrame *frame)
{
NvencContext *ctx = avctx->priv_data;
@ -2230,85 +2325,10 @@ static int nvenc_send_frame(AVCodecContext *avctx, const AVFrame *frame)
pic_params.inputTimeStamp = frame->pts;
if (ctx->a53_cc && av_frame_get_side_data(frame, AV_FRAME_DATA_A53_CC)) {
void *a53_data = NULL;
size_t a53_size = 0;
if (ff_alloc_a53_sei(frame, 0, &a53_data, &a53_size) < 0) {
av_log(ctx, AV_LOG_ERROR, "Not enough memory for closed captions, skipping\n");
}
if (a53_data) {
void *tmp = av_fast_realloc(ctx->sei_data,
&ctx->sei_data_size,
(sei_count + 1) * sizeof(*ctx->sei_data));
if (!tmp) {
av_free(a53_data);
res = AVERROR(ENOMEM);
goto sei_failed;
} else {
ctx->sei_data = tmp;
ctx->sei_data[sei_count].payloadSize = (uint32_t)a53_size;
ctx->sei_data[sei_count].payloadType = 4;
ctx->sei_data[sei_count].payload = (uint8_t*)a53_data;
sei_count++;
}
}
}
if (ctx->s12m_tc && av_frame_get_side_data(frame, AV_FRAME_DATA_S12M_TIMECODE)) {
void *tc_data = NULL;
size_t tc_size = 0;
if (ff_alloc_timecode_sei(frame, avctx->framerate, 0, &tc_data, &tc_size) < 0) {
av_log(ctx, AV_LOG_ERROR, "Not enough memory for timecode sei, skipping\n");
}
if (tc_data) {
void *tmp = av_fast_realloc(ctx->sei_data,
&ctx->sei_data_size,
(sei_count + 1) * sizeof(*ctx->sei_data));
if (!tmp) {
av_free(tc_data);
res = AVERROR(ENOMEM);
goto sei_failed;
} else {
ctx->sei_data = tmp;
ctx->sei_data[sei_count].payloadSize = (uint32_t)tc_size;
ctx->sei_data[sei_count].payloadType = SEI_TYPE_TIME_CODE;
ctx->sei_data[sei_count].payload = (uint8_t*)tc_data;
sei_count++;
}
}
}
for (int j = 0; j < frame->nb_side_data; j++) {
AVFrameSideData *side_data = frame->side_data[j];
void *tmp;
if (side_data->type != AV_FRAME_DATA_SEI_UNREGISTERED)
continue;
tmp = av_fast_realloc(ctx->sei_data,
&ctx->sei_data_size,
(sei_count + 1) * sizeof(*ctx->sei_data));
if (!tmp) {
res = AVERROR(ENOMEM);
goto sei_failed;
} else {
ctx->sei_data = tmp;
ctx->sei_data[sei_count].payloadSize = side_data->size;
ctx->sei_data[sei_count].payloadType = SEI_TYPE_USER_DATA_UNREGISTERED;
ctx->sei_data[sei_count].payload = av_memdup(side_data->data, side_data->size);
if (!ctx->sei_data[sei_count].payload) {
res = AVERROR(ENOMEM);
goto sei_failed;
}
sei_count++;
}
}
res = prepare_sei_data_array(avctx, frame);
if (res < 0)
return res;
sei_count = res;
nvenc_codec_specific_pic_params(avctx, &pic_params, ctx->sei_data, sei_count);
} else {
@ -2346,12 +2366,6 @@ static int nvenc_send_frame(AVCodecContext *avctx, const AVFrame *frame)
}
return 0;
sei_failed:
for (i = 0; i < sei_count; i++)
av_freep(&(ctx->sei_data[i].payload));
return res;
}
int ff_nvenc_receive_packet(AVCodecContext *avctx, AVPacket *pkt)