ffmpeg | branch: master | Paul B Mahol <one...@gmail.com> | Tue Apr 12 17:57:58 2022 +0200| [cbad385f040959fca32568e9ba29e6f05ddd8730] | committer: Paul B Mahol
avcodec/mlpenc: improve handling of last samples > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=cbad385f040959fca32568e9ba29e6f05ddd8730 --- libavcodec/mlpenc.c | 19 ++++++++++++------- 1 file changed, 12 insertions(+), 7 deletions(-) diff --git a/libavcodec/mlpenc.c b/libavcodec/mlpenc.c index da36818169..25adf6f998 100644 --- a/libavcodec/mlpenc.c +++ b/libavcodec/mlpenc.c @@ -1165,6 +1165,7 @@ static int write_access_unit(MLPEncodeContext *ctx, uint8_t *buf, * lossless_check_data that will be written to the restart header. */ static void input_data_internal(MLPEncodeContext *ctx, const uint8_t *samples, + int nb_samples, int is24) { int32_t *lossless_check_data = ctx->lossless_check_data; @@ -1177,7 +1178,7 @@ static void input_data_internal(MLPEncodeContext *ctx, const uint8_t *samples, lossless_check_data += ctx->frame_index; - for (int i = 0; i < ctx->avctx->frame_size; i++) { + for (int i = 0; i < nb_samples; i++) { for (unsigned int channel = 0; channel <= rh->max_channel; channel++) { uint32_t abs_sample; int32_t sample; @@ -1202,12 +1203,12 @@ static void input_data_internal(MLPEncodeContext *ctx, const uint8_t *samples, } /** Wrapper function for inputting data in two different bit-depths. */ -static void input_data(MLPEncodeContext *ctx, void *samples) +static void input_data(MLPEncodeContext *ctx, void *samples, int nb_samples) { if (ctx->avctx->sample_fmt == AV_SAMPLE_FMT_S32) - input_data_internal(ctx, samples, 1); + input_data_internal(ctx, samples, nb_samples, 1); else - input_data_internal(ctx, samples, 0); + input_data_internal(ctx, samples, nb_samples, 0); } static void input_to_sample_buffer(MLPEncodeContext *ctx) @@ -2074,6 +2075,9 @@ static int mlp_encode_frame(AVCodecContext *avctx, AVPacket *avpkt, int restart_frame, ret; uint8_t *data; + if (!frame && !ctx->last_frames) + ctx->last_frames = (ctx->afq.remaining_samples + avctx->frame_size - 1) / avctx->frame_size; + if (!frame && !ctx->last_frames--) return 0; @@ -2084,7 +2088,6 @@ static int mlp_encode_frame(AVCodecContext *avctx, AVPacket *avpkt, /* add current frame to queue */ if ((ret = ff_af_queue_add(&ctx->afq, frame)) < 0) return ret; - ctx->last_frames = ctx->max_restart_interval; } data = frame ? frame->data[0] : NULL; @@ -2128,7 +2131,7 @@ input_and_return: ctx->next_major_frame_size += avctx->frame_size; ctx->next_major_number_of_frames++; if (data) - input_data(ctx, data); + input_data(ctx, data, frame->nb_samples); restart_frame = (ctx->frame_index + 1) % ctx->min_restart_interval; @@ -2171,7 +2174,9 @@ input_and_return: avctx->frame_number++; if (bytes_written > 0) { - ff_af_queue_remove(&ctx->afq, avctx->frame_size, &avpkt->pts, + ff_af_queue_remove(&ctx->afq, + FFMIN(avctx->frame_size, ctx->afq.remaining_samples), + &avpkt->pts, &avpkt->duration); av_shrink_packet(avpkt, bytes_written); _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
