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Return any error return values from av_get_packet, get_buffer etc. unchanged

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in the raw demuxers.
Also remove special handling of 0-size reads, if they are due to an error/eof,
these are already converted to the appropriate error by get_buffer.

Originally committed as revision 20137 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Reimar Döffinger 2009-10-02 06:40:50 +00:00
parent 593b50cedf
commit c3db0bc61d
1 changed files with 8 additions and 9 deletions
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17
libavformat/raw.c
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@ -120,9 +120,8 @@ static int raw_read_packet(AVFormatContext *s, AVPacket *pkt)
ret= av_get_packet(s->pb, pkt, size);
pkt->stream_index = 0;
if (ret <= 0) {
return AVERROR(EIO);
}
if (ret < 0)
return ret;
bps= av_get_bits_per_sample(s->streams[0]->codec->codec_id);
assert(bps); // if false there IS a bug elsewhere (NOT in this function)
@ -144,9 +143,9 @@ int ff_raw_read_partial_packet(AVFormatContext *s, AVPacket *pkt)
pkt->pos= url_ftell(s->pb);
pkt->stream_index = 0;
ret = get_partial_buffer(s->pb, pkt->data, size);
if (ret <= 0) {
if (ret < 0) {
av_free_packet(pkt);
return AVERROR(EIO);
return ret;
}
pkt->size = ret;
return ret;
@ -171,8 +170,8 @@ static int rawvideo_read_packet(AVFormatContext *s, AVPacket *pkt)
pkt->dts= pkt->pos / packet_size;
pkt->stream_index = 0;
if (ret <= 0)
return AVERROR(EIO);
if (ret < 0)
return ret;
return 0;
}
#endif
@ -206,9 +205,9 @@ static int ingenient_read_packet(AVFormatContext *s, AVPacket *pkt)
pkt->pos = url_ftell(s->pb);
pkt->stream_index = 0;
ret = get_buffer(s->pb, pkt->data, size);
if (ret <= 0) {
if (ret < 0) {
av_free_packet(pkt);
return AVERROR(EIO);
return ret;
}
pkt->size = ret;
return ret;