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describe_vgmstream: FFMpeg long_name may be NULL

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This commit is contained in:
bnnm 2016-11-25 22:19:18 +01:00
parent a359dd1816
commit 9e6458c4b9
1 changed files with 11 additions and 4 deletions
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15
src/vgmstream.c
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@ -1792,6 +1792,7 @@ int vgmstream_do_loop(VGMSTREAM * vgmstream) {
ffmpeg_codec_data *data = (ffmpeg_codec_data *)(vgmstream->codec_data);
int64_t ts;
#ifndef VGM_USE_FFMPEG_ACCURATE_LOOPING
/* Seek to loop start by timestamp (closest frame) + adjust skipping some samples */
/* FFmpeg seeks by ts by design (since not all containers can accurately skip to a frame). */
/* TODO: this seems to be off by +-1 frames in some cases */
@ -1807,6 +1808,9 @@ int vgmstream_do_loop(VGMSTREAM * vgmstream) {
data->framesRead = (int)ts;
ts = data->framesRead * (data->formatCtx->duration) / data->totalFrames;
avformat_seek_file(data->formatCtx, -1, ts - 1000, ts, ts, AVSEEK_FLAG_ANY);
avcodec_flush_buffers(data->codecCtx);
#endif /* ifndef VGM_USE_FFMPEG_ACCURATE_LOOPING */
#ifdef VGM_USE_FFMPEG_ACCURATE_LOOPING
/* Start from 0 and discard samples until loop_start for accurate looping (slower but not too noticeable) */
@ -1815,10 +1819,10 @@ int vgmstream_do_loop(VGMSTREAM * vgmstream) {
data->samplesToDiscard = vgmstream->loop_start_sample;
data->framesRead = 0;
ts = 0;
#endif /* VGM_USE_FFMPEG_ACCURATE_LOOPING */
avformat_seek_file(data->formatCtx, -1, ts - 1000, ts, ts, AVSEEK_FLAG_ANY);
avformat_seek_file(data->formatCtx, -1, ts, ts, ts, AVSEEK_FLAG_ANY);
avcodec_flush_buffers(data->codecCtx);
#endif /* ifdef VGM_USE_FFMPEG_ACCURATE_LOOPING */
data->readNextPacket = 1;
data->bytesConsumedFromDecodedFrame = INT_MAX;
@ -2129,11 +2133,14 @@ void describe_vgmstream(VGMSTREAM * vgmstream, char * desc, int length) {
{
ffmpeg_codec_data *data = (ffmpeg_codec_data *) vgmstream->codec_data;
if (vgmstream->codec_data) {
if (data->codec) {
if (data->codec && data->codec->long_name) {
snprintf(temp,TEMPSIZE,data->codec->long_name);
}
else if (data->codec && data->codec->name) {
snprintf(temp,TEMPSIZE,data->codec->name);
}
else {
snprintf(temp,TEMPSIZE,"FFmpeg");
snprintf(temp,TEMPSIZE,"FFmpeg (unknown codec)");
}
}
else {