return 0;
}
+int avcodec_default_get_encode_buffer(AVCodecContext *avctx, AVPacket *avpkt, int flags)
+{
+ int ret;
+
+ if (avpkt->size < 0 || avpkt->size > INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE)
+ return AVERROR(EINVAL);
+
+ if (avpkt->data || avpkt->buf) {
+ av_log(avctx, AV_LOG_ERROR, "avpkt->{data,buf} != NULL in avcodec_default_get_encode_buffer()\n");
+ return AVERROR(EINVAL);
+ }
+
+ ret = av_buffer_realloc(&avpkt->buf, avpkt->size + AV_INPUT_BUFFER_PADDING_SIZE);
+ if (ret < 0) {
+ av_log(avctx, AV_LOG_ERROR, "Failed to allocate packet of size %d\n", avpkt->size);
+ return ret;
+ }
+ avpkt->data = avpkt->buf->data;
+
+ return 0;
+}
+
+int ff_get_encode_buffer(AVCodecContext *avctx, AVPacket *avpkt, int64_t size, int flags)
+{
+ int ret;
+
+ if (size < 0 || size > INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE)
+ return AVERROR(EINVAL);
+
+ av_assert0(!avpkt->data && !avpkt->buf);
+
+ avpkt->size = size;
+ ret = avctx->get_encode_buffer(avctx, avpkt, flags);
+ if (ret < 0)
+ goto fail;
+
+ if (!avpkt->data || !avpkt->buf) {
+ av_log(avctx, AV_LOG_ERROR, "No buffer returned by get_encode_buffer()\n");
+ ret = AVERROR(EINVAL);
+ goto fail;
+ }
+ memset(avpkt->data + avpkt->size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
+
+ ret = 0;
+fail:
+ if (ret < 0) {
+ av_log(avctx, AV_LOG_ERROR, "get_encode_buffer() failed\n");
+ av_packet_unref(avpkt);
+ }
+
+ return ret;
+}
+
/**
* Pad last frame with silence.
*/
if (CONFIG_FRAME_THREAD_ENCODER &&
avci->frame_thread_encoder && (avctx->active_thread_type & FF_THREAD_FRAME))
+ /* This might modify frame, but it doesn't matter, because
+ * the frame properties used below are not used for video
+ * (due to the delay inherent in frame threaded encoding, it makes
+ * no sense to use the properties of the current frame anyway). */
ret = ff_thread_video_encode_frame(avctx, avpkt, frame, &got_packet);
else {
ret = avctx->codec->encode2(avctx, avpkt, frame, &got_packet);
if (avctx->codec->receive_packet) {
ret = avctx->codec->receive_packet(avctx, avpkt);
- if (!ret)
+ if (ret < 0)
+ av_packet_unref(avpkt);
+ else
// Encoders must always return ref-counted buffers.
// Side-data only packets have no data and can be not ref-counted.
av_assert0(!avpkt->data || avpkt->buf);
return 0;
}
+#if FF_API_OLD_ENCDEC
static int compat_encode(AVCodecContext *avctx, AVPacket *avpkt,
int *got_packet, const AVFrame *frame)
{
av_log(avctx, AV_LOG_WARNING, "AVFrame.width or height is not set\n");
}
+ if (avctx->codec->capabilities & AV_CODEC_CAP_DR1) {
+ av_log(avctx, AV_LOG_WARNING, "The deprecated avcodec_encode_* API does not support "
+ "AV_CODEC_CAP_DR1 encoders\n");
+ return AVERROR(ENOSYS);
+ }
+
ret = avcodec_send_frame(avctx, frame);
if (ret == AVERROR_EOF)
ret = 0;
av_buffer_unref(&avpkt->buf);
avpkt->buf = user_pkt.buf;
avpkt->data = user_pkt.data;
+FF_DISABLE_DEPRECATION_WARNINGS
av_init_packet(&user_pkt);
+FF_ENABLE_DEPRECATION_WARNINGS
} else {
av_log(avctx, AV_LOG_ERROR, "Provided packet is too small, needs to be %d\n", avpkt->size);
av_packet_unref(avpkt);
return ret;
}
+#endif
+
+int ff_encode_preinit(AVCodecContext *avctx)
+{
+ int i;
+#if FF_API_CODED_FRAME
+FF_DISABLE_DEPRECATION_WARNINGS
+ avctx->coded_frame = av_frame_alloc();
+ if (!avctx->coded_frame) {
+ return AVERROR(ENOMEM);
+ }
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+
+ if (avctx->time_base.num <= 0 || avctx->time_base.den <= 0) {
+ av_log(avctx, AV_LOG_ERROR, "The encoder timebase is not set.\n");
+ return AVERROR(EINVAL);
+ }
+
+ if (avctx->codec->sample_fmts) {
+ for (i = 0; avctx->codec->sample_fmts[i] != AV_SAMPLE_FMT_NONE; i++) {
+ if (avctx->sample_fmt == avctx->codec->sample_fmts[i])
+ break;
+ if (avctx->channels == 1 &&
+ av_get_planar_sample_fmt(avctx->sample_fmt) ==
+ av_get_planar_sample_fmt(avctx->codec->sample_fmts[i])) {
+ avctx->sample_fmt = avctx->codec->sample_fmts[i];
+ break;
+ }
+ }
+ if (avctx->codec->sample_fmts[i] == AV_SAMPLE_FMT_NONE) {
+ char buf[128];
+ snprintf(buf, sizeof(buf), "%d", avctx->sample_fmt);
+ av_log(avctx, AV_LOG_ERROR, "Specified sample format %s is invalid or not supported\n",
+ (char *)av_x_if_null(av_get_sample_fmt_name(avctx->sample_fmt), buf));
+ return AVERROR(EINVAL);
+ }
+ }
+ if (avctx->codec->pix_fmts) {
+ for (i = 0; avctx->codec->pix_fmts[i] != AV_PIX_FMT_NONE; i++)
+ if (avctx->pix_fmt == avctx->codec->pix_fmts[i])
+ break;
+ if (avctx->codec->pix_fmts[i] == AV_PIX_FMT_NONE) {
+ char buf[128];
+ snprintf(buf, sizeof(buf), "%d", avctx->pix_fmt);
+ av_log(avctx, AV_LOG_ERROR, "Specified pixel format %s is invalid or not supported\n",
+ (char *)av_x_if_null(av_get_pix_fmt_name(avctx->pix_fmt), buf));
+ return AVERROR(EINVAL);
+ }
+ if (avctx->codec->pix_fmts[i] == AV_PIX_FMT_YUVJ420P ||
+ avctx->codec->pix_fmts[i] == AV_PIX_FMT_YUVJ411P ||
+ avctx->codec->pix_fmts[i] == AV_PIX_FMT_YUVJ422P ||
+ avctx->codec->pix_fmts[i] == AV_PIX_FMT_YUVJ440P ||
+ avctx->codec->pix_fmts[i] == AV_PIX_FMT_YUVJ444P)
+ avctx->color_range = AVCOL_RANGE_JPEG;
+ }
+ if (avctx->codec->supported_samplerates) {
+ for (i = 0; avctx->codec->supported_samplerates[i] != 0; i++)
+ if (avctx->sample_rate == avctx->codec->supported_samplerates[i])
+ break;
+ if (avctx->codec->supported_samplerates[i] == 0) {
+ av_log(avctx, AV_LOG_ERROR, "Specified sample rate %d is not supported\n",
+ avctx->sample_rate);
+ return AVERROR(EINVAL);
+ }
+ }
+ if (avctx->sample_rate < 0) {
+ av_log(avctx, AV_LOG_ERROR, "Specified sample rate %d is not supported\n",
+ avctx->sample_rate);
+ return AVERROR(EINVAL);
+ }
+ if (avctx->codec->channel_layouts) {
+ if (!avctx->channel_layout) {
+ av_log(avctx, AV_LOG_WARNING, "Channel layout not specified\n");
+ } else {
+ for (i = 0; avctx->codec->channel_layouts[i] != 0; i++)
+ if (avctx->channel_layout == avctx->codec->channel_layouts[i])
+ break;
+ if (avctx->codec->channel_layouts[i] == 0) {
+ char buf[512];
+ av_get_channel_layout_string(buf, sizeof(buf), -1, avctx->channel_layout);
+ av_log(avctx, AV_LOG_ERROR, "Specified channel layout '%s' is not supported\n", buf);
+ return AVERROR(EINVAL);
+ }
+ }
+ }
+ if (avctx->channel_layout && avctx->channels) {
+ int channels = av_get_channel_layout_nb_channels(avctx->channel_layout);
+ if (channels != avctx->channels) {
+ char buf[512];
+ av_get_channel_layout_string(buf, sizeof(buf), -1, avctx->channel_layout);
+ av_log(avctx, AV_LOG_ERROR,
+ "Channel layout '%s' with %d channels does not match number of specified channels %d\n",
+ buf, channels, avctx->channels);
+ return AVERROR(EINVAL);
+ }
+ } else if (avctx->channel_layout) {
+ avctx->channels = av_get_channel_layout_nb_channels(avctx->channel_layout);
+ }
+ if (avctx->channels < 0) {
+ av_log(avctx, AV_LOG_ERROR, "Specified number of channels %d is not supported\n",
+ avctx->channels);
+ return AVERROR(EINVAL);
+ }
+ if(avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
+ const AVPixFmtDescriptor *pixdesc = av_pix_fmt_desc_get(avctx->pix_fmt);
+ if ( avctx->bits_per_raw_sample < 0
+ || (avctx->bits_per_raw_sample > 8 && pixdesc->comp[0].depth <= 8)) {
+ av_log(avctx, AV_LOG_WARNING, "Specified bit depth %d not possible with the specified pixel formats depth %d\n",
+ avctx->bits_per_raw_sample, pixdesc->comp[0].depth);
+ avctx->bits_per_raw_sample = pixdesc->comp[0].depth;
+ }
+ if (avctx->width <= 0 || avctx->height <= 0) {
+ av_log(avctx, AV_LOG_ERROR, "dimensions not set\n");
+ return AVERROR(EINVAL);
+ }
+ }
+ if ( (avctx->codec_type == AVMEDIA_TYPE_VIDEO || avctx->codec_type == AVMEDIA_TYPE_AUDIO)
+ && avctx->bit_rate>0 && avctx->bit_rate<1000) {
+ av_log(avctx, AV_LOG_WARNING, "Bitrate %"PRId64" is extremely low, maybe you mean %"PRId64"k\n", avctx->bit_rate, avctx->bit_rate);
+ }
+
+ if (!avctx->rc_initial_buffer_occupancy)
+ avctx->rc_initial_buffer_occupancy = avctx->rc_buffer_size * 3LL / 4;
+
+ if (avctx->ticks_per_frame && avctx->time_base.num &&
+ avctx->ticks_per_frame > INT_MAX / avctx->time_base.num) {
+ av_log(avctx, AV_LOG_ERROR,
+ "ticks_per_frame %d too large for the timebase %d/%d.",
+ avctx->ticks_per_frame,
+ avctx->time_base.num,
+ avctx->time_base.den);
+ return AVERROR(EINVAL);
+ }
+
+ if (avctx->hw_frames_ctx) {
+ AVHWFramesContext *frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
+ if (frames_ctx->format != avctx->pix_fmt) {
+ av_log(avctx, AV_LOG_ERROR,
+ "Mismatching AVCodecContext.pix_fmt and AVHWFramesContext.format\n");
+ return AVERROR(EINVAL);
+ }
+ if (avctx->sw_pix_fmt != AV_PIX_FMT_NONE &&
+ avctx->sw_pix_fmt != frames_ctx->sw_format) {
+ av_log(avctx, AV_LOG_ERROR,
+ "Mismatching AVCodecContext.sw_pix_fmt (%s) "
+ "and AVHWFramesContext.sw_format (%s)\n",
+ av_get_pix_fmt_name(avctx->sw_pix_fmt),
+ av_get_pix_fmt_name(frames_ctx->sw_format));
+ return AVERROR(EINVAL);
+ }
+ avctx->sw_pix_fmt = frames_ctx->sw_format;
+ }
+
+ return 0;
+}
projects / ffmpeg / blobdiff