ffmpeg | branch: release/2.4 | Michael Niedermayer <michae...@gmx.at> | Sun Apr 12 19:43:08 2015 +0200| [72ddcb2459faac7fe41d7c563356f860ef2d0396] | committer: Michael Niedermayer
swresample: Allow reinitialization without ever setting channel counts Signed-off-by: Michael Niedermayer <michae...@gmx.at> (cherry picked from commit d7b9cb2f7a51351586791e65fa22e6536ee58c9f) Signed-off-by: Michael Niedermayer <michae...@gmx.at> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=72ddcb2459faac7fe41d7c563356f860ef2d0396 --- libswresample/options.c | 12 ++++++------ libswresample/swresample.c | 4 ++++ libswresample/swresample_internal.h | 4 ++++ 3 files changed, 14 insertions(+), 6 deletions(-) diff --git a/libswresample/options.c b/libswresample/options.c index 01cdb1e..e970d3b 100644 --- a/libswresample/options.c +++ b/libswresample/options.c @@ -35,12 +35,12 @@ #define PARAM AV_OPT_FLAG_AUDIO_PARAM static const AVOption options[]={ -{"ich" , "set input channel count" , OFFSET( in.ch_count ), AV_OPT_TYPE_INT , {.i64=0 }, 0 , SWR_CH_MAX, PARAM}, -{"in_channel_count" , "set input channel count" , OFFSET( in.ch_count ), AV_OPT_TYPE_INT , {.i64=0 }, 0 , SWR_CH_MAX, PARAM}, -{"och" , "set output channel count" , OFFSET(out.ch_count ), AV_OPT_TYPE_INT , {.i64=0 }, 0 , SWR_CH_MAX, PARAM}, -{"out_channel_count" , "set output channel count" , OFFSET(out.ch_count ), AV_OPT_TYPE_INT , {.i64=0 }, 0 , SWR_CH_MAX, PARAM}, -{"uch" , "set used channel count" , OFFSET(used_ch_count ), AV_OPT_TYPE_INT , {.i64=0 }, 0 , SWR_CH_MAX, PARAM}, -{"used_channel_count" , "set used channel count" , OFFSET(used_ch_count ), AV_OPT_TYPE_INT , {.i64=0 }, 0 , SWR_CH_MAX, PARAM}, +{"ich" , "set input channel count" , OFFSET(user_in_ch_count ), AV_OPT_TYPE_INT, {.i64=0 }, 0 , SWR_CH_MAX, PARAM}, +{"in_channel_count" , "set input channel count" , OFFSET(user_in_ch_count ), AV_OPT_TYPE_INT, {.i64=0 }, 0 , SWR_CH_MAX, PARAM}, +{"och" , "set output channel count" , OFFSET(user_out_ch_count ), AV_OPT_TYPE_INT, {.i64=0 }, 0 , SWR_CH_MAX, PARAM}, +{"out_channel_count" , "set output channel count" , OFFSET(user_out_ch_count ), AV_OPT_TYPE_INT, {.i64=0 }, 0 , SWR_CH_MAX, PARAM}, +{"uch" , "set used channel count" , OFFSET(user_used_ch_count), AV_OPT_TYPE_INT, {.i64=0 }, 0 , SWR_CH_MAX, PARAM}, +{"used_channel_count" , "set used channel count" , OFFSET(user_used_ch_count), AV_OPT_TYPE_INT, {.i64=0 }, 0 , SWR_CH_MAX, PARAM}, {"isr" , "set input sample rate" , OFFSET( in_sample_rate), AV_OPT_TYPE_INT , {.i64=0 }, 0 , INT_MAX , PARAM}, {"in_sample_rate" , "set input sample rate" , OFFSET( in_sample_rate), AV_OPT_TYPE_INT , {.i64=0 }, 0 , INT_MAX , PARAM}, {"osr" , "set output sample rate" , OFFSET(out_sample_rate), AV_OPT_TYPE_INT , {.i64=0 }, 0 , INT_MAX , PARAM}, diff --git a/libswresample/swresample.c b/libswresample/swresample.c index 991aa13..e552626 100644 --- a/libswresample/swresample.c +++ b/libswresample/swresample.c @@ -164,6 +164,10 @@ av_cold int swr_init(struct SwrContext *s){ return AVERROR(EINVAL); } + s->out.ch_count = s-> user_out_ch_count; + s-> in.ch_count = s-> user_in_ch_count; + s->used_ch_count = s->user_used_ch_count; + if(av_get_channel_layout_nb_channels(s-> in_ch_layout) > SWR_CH_MAX) { av_log(s, AV_LOG_WARNING, "Input channel layout 0x%"PRIx64" is invalid or unsupported.\n", s-> in_ch_layout); s->in_ch_layout = 0; diff --git a/libswresample/swresample_internal.h b/libswresample/swresample_internal.h index 3761843..b892fea 100644 --- a/libswresample/swresample_internal.h +++ b/libswresample/swresample_internal.h @@ -90,6 +90,10 @@ struct SwrContext { int used_ch_count; ///< number of used input channels (mapped channel count if channel_map, otherwise in.ch_count) enum SwrEngine engine; + int user_in_ch_count; ///< User set input channel count + int user_out_ch_count; ///< User set output channel count + int user_used_ch_count; ///< User set used channel count + struct DitherContext dither; int filter_size; /**< length of each FIR filter in the resampling filterbank relative to the cutoff frequency */ _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
