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Code Issues Releases Activity

avcodec: remove fallbacks for AVCodec.encode() in avcodec_encode_audio2()

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We no longer have any audio encoders using AVCodec.encode().
This commit is contained in:
Justin Ruggles 2012-03-21 15:28:00 -04:00
parent fdc918632f
commit b461cd4deb
1 changed files with 2 additions and 68 deletions
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70
libavcodec/utils.c
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@ -864,7 +864,6 @@ int attribute_align_arg avcodec_encode_audio2(AVCodecContext *avctx,
{
int ret;
int user_packet = !!avpkt->data;
int nb_samples;
*got_packet_ptr = 0;
@ -877,19 +876,15 @@ int attribute_align_arg avcodec_encode_audio2(AVCodecContext *avctx,
/* check for valid frame size */
if (frame) {
nb_samples = frame->nb_samples;
if (avctx->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
if (nb_samples > avctx->frame_size)
if (frame->nb_samples > avctx->frame_size)
return AVERROR(EINVAL);
} else if (!(avctx->codec->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE)) {
if (nb_samples != avctx->frame_size)
if (frame->nb_samples != avctx->frame_size)
return AVERROR(EINVAL);
}
} else {
nb_samples = avctx->frame_size;
}
if (avctx->codec->encode2) {
ret = avctx->codec->encode2(avctx, avpkt, frame, got_packet_ptr);
if (!ret && *got_packet_ptr) {
if (!(avctx->codec->capabilities & CODEC_CAP_DELAY)) {
@ -903,68 +898,7 @@ int attribute_align_arg avcodec_encode_audio2(AVCodecContext *avctx,
} else {
avpkt->size = 0;
}
} else {
/* for compatibility with encoders not supporting encode2(), we need to
allocate a packet buffer if the user has not provided one or check
the size otherwise */
int fs_tmp = 0;
int buf_size = avpkt->size;
if (!user_packet) {
if (avctx->codec->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE) {
av_assert0(av_get_bits_per_sample(avctx->codec_id) != 0);
buf_size = nb_samples * avctx->channels *
av_get_bits_per_sample(avctx->codec_id) / 8;
} else {
/* this is a guess as to the required size.
if an encoder needs more than this, it should probably
implement encode2() */
buf_size = 2 * avctx->frame_size * avctx->channels *
av_get_bytes_per_sample(avctx->sample_fmt);
buf_size += FF_MIN_BUFFER_SIZE;
}
}
if ((ret = ff_alloc_packet(avpkt, buf_size)))
return ret;
/* Encoders using AVCodec.encode() that support
CODEC_CAP_SMALL_LAST_FRAME require avctx->frame_size to be set to
the smaller size when encoding the last frame.
This code can be removed once all encoders supporting
CODEC_CAP_SMALL_LAST_FRAME use encode2() */
if ((avctx->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) &&
nb_samples < avctx->frame_size) {
fs_tmp = avctx->frame_size;
avctx->frame_size = nb_samples;
}
/* encode the frame */
ret = avctx->codec->encode(avctx, avpkt->data, avpkt->size,
frame ? frame->data[0] : NULL);
if (ret >= 0) {
if (!ret) {
/* no output. if the packet data was allocated by libavcodec,
free it */
if (!user_packet)
av_freep(&avpkt->data);
} else {
if (avctx->coded_frame)
avpkt->pts = avpkt->dts = avctx->coded_frame->pts;
/* Set duration for final small packet. This can be removed
once all encoders supporting CODEC_CAP_SMALL_LAST_FRAME use
encode2() */
if (fs_tmp) {
avpkt->duration = ff_samples_to_time_base(avctx,
avctx->frame_size);
}
}
avpkt->size = ret;
*got_packet_ptr = (ret > 0);
ret = 0;
}
if (fs_tmp)
avctx->frame_size = fs_tmp;
}
if (!ret) {
if (!user_packet && avpkt->size) {
uint8_t *new_data = av_realloc(avpkt->data, avpkt->size);