diff options
Diffstat (limited to 'ffmpeg.c')
| -rw-r--r-- | ffmpeg.c | 10 |
1 files changed, 9 insertions, 1 deletions
@@ -1475,6 +1475,14 @@ static void print_report(AVFormatContext **output_files, } } +static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size) +{ + int fill_char = 0x00; + if (sample_fmt == AV_SAMPLE_FMT_U8) + fill_char = 0x80; + memset(buf, fill_char, size); +} + /* pkt = NULL means EOF (needed to flush decoder buffers) */ static int output_packet(AVInputStream *ist, int ist_index, AVOutputStream **ost_table, int nb_ostreams, @@ -1826,7 +1834,7 @@ static int output_packet(AVInputStream *ist, int ist_index, int frame_bytes = enc->frame_size*osize*enc->channels; if (allocated_audio_buf_size < frame_bytes) ffmpeg_exit(1); - memset(audio_buf+fifo_bytes, 0, frame_bytes - fifo_bytes); + generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes); } ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf); |