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swresample: Allow reinitialization without ever setting channel layouts

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(cherry picked from commit 80a28c7509)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-04-12 20:50:53 +02:00
parent 74fb9df48b
commit 84fedd3be7
4 changed files with 13 additions and 8 deletions
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8
libswresample/options.c
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@ -51,10 +51,10 @@ static const AVOption options[]={
{"out_sample_fmt" , "set output sample format" , OFFSET(out_sample_fmt ), AV_OPT_TYPE_SAMPLE_FMT , {.i64=AV_SAMPLE_FMT_NONE}, -1 , INT_MAX, PARAM},
{"tsf" , "set internal sample format" , OFFSET(int_sample_fmt ), AV_OPT_TYPE_SAMPLE_FMT , {.i64=AV_SAMPLE_FMT_NONE}, -1 , INT_MAX, PARAM},
{"internal_sample_fmt" , "set internal sample format" , OFFSET(int_sample_fmt ), AV_OPT_TYPE_SAMPLE_FMT , {.i64=AV_SAMPLE_FMT_NONE}, -1 , INT_MAX, PARAM},
{"icl" , "set input channel layout" , OFFSET( in_ch_layout ), AV_OPT_TYPE_CHANNEL_LAYOUT, {.i64=0 }, 0 , INT64_MAX , PARAM, "channel_layout"},
{"in_channel_layout" , "set input channel layout" , OFFSET( in_ch_layout ), AV_OPT_TYPE_CHANNEL_LAYOUT, {.i64=0 }, 0 , INT64_MAX , PARAM, "channel_layout"},
{"ocl" , "set output channel layout" , OFFSET(out_ch_layout ), AV_OPT_TYPE_CHANNEL_LAYOUT, {.i64=0 }, 0 , INT64_MAX , PARAM, "channel_layout"},
{"out_channel_layout" , "set output channel layout" , OFFSET(out_ch_layout ), AV_OPT_TYPE_CHANNEL_LAYOUT, {.i64=0 }, 0 , INT64_MAX , PARAM, "channel_layout"},
{"icl" , "set input channel layout" , OFFSET(user_in_ch_layout ), AV_OPT_TYPE_CHANNEL_LAYOUT, {.i64=0 }, 0 , INT64_MAX , PARAM, "channel_layout"},
{"in_channel_layout" , "set input channel layout" , OFFSET(user_in_ch_layout ), AV_OPT_TYPE_CHANNEL_LAYOUT, {.i64=0 }, 0 , INT64_MAX , PARAM, "channel_layout"},
{"ocl" , "set output channel layout" , OFFSET(user_out_ch_layout), AV_OPT_TYPE_CHANNEL_LAYOUT, {.i64=0 }, 0 , INT64_MAX , PARAM, "channel_layout"},
{"out_channel_layout" , "set output channel layout" , OFFSET(user_out_ch_layout), AV_OPT_TYPE_CHANNEL_LAYOUT, {.i64=0 }, 0 , INT64_MAX , PARAM, "channel_layout"},
{"clev" , "set center mix level" , OFFSET(clev ), AV_OPT_TYPE_FLOAT, {.dbl=C_30DB }, -32 , 32 , PARAM},
{"center_mix_level" , "set center mix level" , OFFSET(clev ), AV_OPT_TYPE_FLOAT, {.dbl=C_30DB }, -32 , 32 , PARAM},
{"slev" , "set surround mix level" , OFFSET(slev ), AV_OPT_TYPE_FLOAT, {.dbl=C_30DB }, -32 , 32 , PARAM},

4
libswresample/rematrix.c
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@ -65,8 +65,8 @@ int swr_set_matrix(struct SwrContext *s, const double *matrix, int stride)
if (!s || s->in_convert) // s needs to be allocated but not initialized
return AVERROR(EINVAL);
memset(s->matrix, 0, sizeof(s->matrix));
nb_in = av_get_channel_layout_nb_channels(s->in_ch_layout);
nb_out = av_get_channel_layout_nb_channels(s->out_ch_layout);
nb_in = av_get_channel_layout_nb_channels(s->user_in_ch_layout);
nb_out = av_get_channel_layout_nb_channels(s->user_out_ch_layout);
for (out = 0; out < nb_out; out++) {
for (in = 0; in < nb_in; in++)
s->matrix[out][in] = matrix[in];

7
libswresample/swresample.c
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@ -86,10 +86,10 @@ struct SwrContext *swr_alloc_set_opts(struct SwrContext *s,
if (av_opt_set_int(s, "tsf", AV_SAMPLE_FMT_NONE, 0) < 0)
goto fail;
if (av_opt_set_int(s, "ich", av_get_channel_layout_nb_channels(s-> in_ch_layout), 0) < 0)
if (av_opt_set_int(s, "ich", av_get_channel_layout_nb_channels(s-> user_in_ch_layout), 0) < 0)
goto fail;
if (av_opt_set_int(s, "och", av_get_channel_layout_nb_channels(s->out_ch_layout), 0) < 0)
if (av_opt_set_int(s, "och", av_get_channel_layout_nb_channels(s->user_out_ch_layout), 0) < 0)
goto fail;
av_opt_set_int(s, "uch", 0, 0);
@ -168,6 +168,9 @@ av_cold int swr_init(struct SwrContext *s){
s-> in.ch_count = s-> user_in_ch_count;
s->used_ch_count = s->user_used_ch_count;
s-> in_ch_layout = s-> user_in_ch_layout;
s->out_ch_layout = s->user_out_ch_layout;
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;

2
libswresample/swresample_internal.h
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@ -93,6 +93,8 @@ struct SwrContext {
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
int64_t user_in_ch_layout; ///< User set input channel layout
int64_t user_out_ch_layout; ///< User set output channel layout
struct DitherContext dither;