This will trigger a few warnings (e.g in avfilter) that need to be
fixed.
Signed-off-by: Ganesh Ajjanagadde <gajjanaga...@gmail.com>
---
libswresample/swresample.h | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/libswresample/swresample.h b/libswresample/swresample.h
index 10eaebc..d21084f 100644
--- a/libswresample/swresample.h
+++ b/libswresample/swresample.h
@@ -220,6 +220,7 @@ struct SwrContext *swr_alloc(void);
* @param[in,out] s Swr context to initialize
* @return AVERROR error code in case of failure.
*/
+av_warn_unused_result
int swr_init(struct SwrContext *s);
/**
@@ -307,6 +308,7 @@ void swr_close(struct SwrContext *s);
*
* @return number of samples output per channel, negative value on error
*/
+av_warn_unused_result
int swr_convert(struct SwrContext *s, uint8_t **out, int out_count,
const uint8_t **in , int in_count);
@@ -354,6 +356,7 @@ int64_t swr_next_pts(struct SwrContext *s, int64_t pts);
* @li compensation unsupported by resampler, or
* @li swr_init() fails when called.
*/
+av_warn_unused_result
int swr_set_compensation(struct SwrContext *s, int sample_delta, int
compensation_distance);
/**
@@ -364,6 +367,7 @@ int swr_set_compensation(struct SwrContext *s, int
sample_delta, int compensatio
* indexes, -1 for a muted channel)
* @return >= 0 on success, or AVERROR error code in case of failure.
*/
+av_warn_unused_result
int swr_set_channel_mapping(struct SwrContext *s, const int *channel_map);
/**
@@ -375,6 +379,7 @@ int swr_set_channel_mapping(struct SwrContext *s, const int
*channel_map);
* @param stride offset between lines of the matrix
* @return >= 0 on success, or AVERROR error code in case of failure.
*/
+av_warn_unused_result
int swr_set_matrix(struct SwrContext *s, const double *matrix, int stride);
/**
@@ -395,6 +400,7 @@ int swr_set_matrix(struct SwrContext *s, const double
*matrix, int stride);
*
* @return >= 0 on success, or a negative AVERROR code on failure
*/
+av_warn_unused_result
int swr_drop_output(struct SwrContext *s, int count);
/**
@@ -408,6 +414,7 @@ int swr_drop_output(struct SwrContext *s, int count);
*
* @return >= 0 on success, or a negative AVERROR code on failure
*/
+av_warn_unused_result
int swr_inject_silence(struct SwrContext *s, int count);
/**
@@ -526,6 +533,7 @@ const char *swresample_license(void);
* @return 0 on success, AVERROR on failure or nonmatching
* configuration.
*/
+av_warn_unused_result
int swr_convert_frame(SwrContext *swr,
AVFrame *output, const AVFrame *input);
@@ -543,6 +551,7 @@ int swr_convert_frame(SwrContext *swr,
* @param input input AVFrame
* @return 0 on success, AVERROR on failure.
*/
+av_warn_unused_result
int swr_config_frame(SwrContext *swr, const AVFrame *out, const AVFrame *in);
/**
--
2.6.1
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