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Fixed some bugs in the audio decoding.

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This commit is contained in:
Jonathan Thomas
2011-10-25 00:20:26 -05:00
parent 81941041e3
commit 7db9136efb
2 changed files with 15 additions and 16 deletions
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14
src/FFmpegReader.cpp
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@@ -411,10 +411,10 @@ void FFmpegReader::ProcessAudioPacket(int requested_frame, int target_frame, int
buf_size = AVCODEC_MAX_AUDIO_FRAME_SIZE;
// decode audio packet into samples (put samples in the audio_buf array)
int sample_count = avcodec_decode_audio2(aCodecCtx, audio_buf, &buf_size,
int used = avcodec_decode_audio2(aCodecCtx, audio_buf, &buf_size,
packet.data, packet.size);
if (sample_count < 0) {
if (used < 0) {
// Throw exception
throw ErrorDecodingAudio("Error decoding audio samples", target_frame);
packet.size = 0;
@@ -422,11 +422,11 @@ void FFmpegReader::ProcessAudioPacket(int requested_frame, int target_frame, int
}
// Calculate total number of samples
packet_samples += sample_count;
packet_samples += buf_size;
// process samples...
packet.data += sample_count;
packet.size -= sample_count;
packet.data += used;
packet.size -= used;
}
@@ -547,7 +547,7 @@ void FFmpegReader::Seek(int requested_frame)
// Calculate seek target
seeking_pts = ConvertFrameToVideoPTS(requested_frame);
int64_t seek_target = ((double)seeking_pts * info.video_timebase.ToDouble()) * (double)AV_TIME_BASE;
seek_target = ((double)seeking_pts * info.video_timebase.ToDouble()) * (double)AV_TIME_BASE;
}
else if (info.audio_stream_index >= 0)
{
@@ -557,7 +557,7 @@ void FFmpegReader::Seek(int requested_frame)
// Calculate seek target
seeking_pts = ConvertFrameToAudioPTS(requested_frame); // PTS seems to always start at zero, and our frame numbers start at 1.
int64_t seek_target = ((double)seeking_pts * info.audio_timebase.ToDouble()) * (double)AV_TIME_BASE;
seek_target = ((double)seeking_pts * info.audio_timebase.ToDouble()) * (double)AV_TIME_BASE;
}
// If valid stream, rescale timestamp so the av_seek_frame method will understand it