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Code Issues Releases Activity

af_hdcd: add AVOption to disable autoconversion in the filter graph

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Signed-off-by: Burt P <pburt0@gmail.com>
This commit is contained in:
Burt P 2016-08-10 11:35:30 -05:00
parent 8c19732a42
commit accbb00ba7
1 changed files with 13 additions and 3 deletions
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16
libavfilter/af_hdcd.c
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@ -916,9 +916,11 @@ typedef struct HDCDContext {
* the amplitude to signal some specific aspect of the decoding
* process. See docs or HDCD_ANA_* defines. */
int analyze_mode;
int ana_snb; /**< used in tone generation */
int ana_snb; /**< used in tone generation */
int cdt_ms; /**< code detect timer period in ms */
int cdt_ms; /**< code detect timer period in ms */
int disable_autoconvert; /**< disable any format conversion or resampling in the filter graph */
/* end AVOption members */
/** config_input() and config_output() scan links for any resampling
@ -941,6 +943,8 @@ typedef struct HDCDContext {
#define OFFSET(x) offsetof(HDCDContext, x)
#define A AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
static const AVOption hdcd_options[] = {
{ "disable_autoconvert", "Disable any format conversion or resampling in the filter graph.",
OFFSET(disable_autoconvert), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, A },
{ "process_stereo", "Process stereo channels together. Only apply target_gain when both channels match.",
OFFSET(process_stereo), AV_OPT_TYPE_BOOL, { .i64 = HDCD_PROCESS_STEREO_DEFAULT }, 0, 1, A },
{ "cdt_ms", "Code detect timer period in ms.",
@ -1718,7 +1722,13 @@ static av_cold int init(AVFilterContext *ctx)
(s->process_stereo) ? "process stereo channels together" : "process each channel separately");
av_log(ctx, AV_LOG_VERBOSE, "Force PE: %s\n",
(s->force_pe) ? "on" : "off");
av_log(ctx, AV_LOG_VERBOSE, "Analyze mode: [%d] %s\n", s->analyze_mode, ana_mode_str[s->analyze_mode] );
av_log(ctx, AV_LOG_VERBOSE, "Analyze mode: [%d] %s\n",
s->analyze_mode, ana_mode_str[s->analyze_mode] );
if (s->disable_autoconvert)
avfilter_graph_set_auto_convert(ctx->graph, AVFILTER_AUTO_CONVERT_NONE);
av_log(ctx, AV_LOG_VERBOSE, "Auto-convert: %s (requested: %s)\n",
(ctx->graph->disable_auto_convert) ? "disabled" : "enabled",
(s->disable_autoconvert) ? "disable" : "do not disable" );
return 0;
}