[FFmpeg-devel] [PATCH 5/6] lavf: add API to append a bsf to a stream's list

2015-11-25 Thread Rodger Combs 
---
 libavformat/avformat.h | 12 
 libavformat/utils.c| 20 
 2 files changed, 32 insertions(+)

diff --git a/libavformat/avformat.h b/libavformat/avformat.h
index bb3a674..33f6d28 100644
--- a/libavformat/avformat.h
+++ b/libavformat/avformat.h
@@ -2799,6 +2799,18 @@ int avformat_match_stream_specifier(AVFormatContext *s, 
AVStream *st,
 int avformat_queue_attached_pictures(AVFormatContext *s);
 
 /**
+ * Add a bitstream filter to a stream.
+ *
+ * @param st output stream to add a filter to
+ * @param name the name of the filter to add
+ * @param args filter-specific argument string
+ * @return  >0 on success;
+ *  AVERROR code on failure
+ */
+int av_stream_add_bitstream_filter(AVStream *st, const char *name,
+   const char *args);
+
+/**
  * Apply a list of bitstream filters to a packet.
  *
  * @param codec AVCodecContext, usually from an AVStream
diff --git a/libavformat/utils.c b/libavformat/utils.c
index dcacf44..8f22c32 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -4631,6 +4631,26 @@ uint8_t *av_stream_new_side_data(AVStream *st, enum 
AVPacketSideDataType type,
 return data;
 }
 
+int av_stream_add_bitstream_filter(AVStream *st, const char *name,
+   const char *args)
+{
+AVBitStreamFilterContext *bsfc = NULL;
+AVBitStreamFilterContext **dest = &st->bsfc;
+while (*dest && (*dest)->next)
+dest = &(*dest)->next;
+
+if (!(bsfc = av_bitstream_filter_init(name))) {
+av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", name);
+return AVERROR(EINVAL);
+}
+if (args && !(bsfc->args = av_strdup(args))) {
+av_bitstream_filter_close(bsfc);
+return AVERROR(ENOMEM);
+}
+*dest = bsfc;
+return 1;
+}
+
 int av_apply_bitstream_filters(AVCodecContext *codec, AVPacket *pkt,
AVBitStreamFilterContext *bsfc)
 {
-- 
2.6.3

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Re: [FFmpeg-devel] [PATCH 5/6] lavf: add API to append a bsf to a stream's list

2015-11-19 Thread Michael Niedermayer 
On Wed, Nov 18, 2015 at 05:28:21PM -0600, Rodger Combs wrote:
> ---
>  libavformat/avformat.h |  9 +
>  libavformat/utils.c| 20 
>  2 files changed, 29 insertions(+)
> 
> diff --git a/libavformat/avformat.h b/libavformat/avformat.h
> index 6e9ffe2..cedcb8f 100644
> --- a/libavformat/avformat.h
> +++ b/libavformat/avformat.h
> @@ -2776,6 +2776,15 @@ int avformat_match_stream_specifier(AVFormatContext 
> *s, AVStream *st,
>  int avformat_queue_attached_pictures(AVFormatContext *s);
>  
>  /**
> + * Add a bitstream filter to a stream.
> + *
> + * @return  >0 on success;
> + *  AVERROR code on failure
> + */
> +int av_stream_add_bitstream_filter(AVStream *st, const char *name,
> +   const char *args);

does this work with muxers and demuxers ?
if it works with just one kind then that should be documented
otherwise patch should e ok

[...]
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[FFmpeg-devel] [PATCH 5/6] lavf: add API to append a bsf to a stream's list

2015-11-18 Thread Rodger Combs 
---
 libavformat/avformat.h |  9 +
 libavformat/utils.c| 20 
 2 files changed, 29 insertions(+)

diff --git a/libavformat/avformat.h b/libavformat/avformat.h
index 6e9ffe2..cedcb8f 100644
--- a/libavformat/avformat.h
+++ b/libavformat/avformat.h
@@ -2776,6 +2776,15 @@ int avformat_match_stream_specifier(AVFormatContext *s, 
AVStream *st,
 int avformat_queue_attached_pictures(AVFormatContext *s);
 
 /**
+ * Add a bitstream filter to a stream.
+ *
+ * @return  >0 on success;
+ *  AVERROR code on failure
+ */
+int av_stream_add_bitstream_filter(AVStream *st, const char *name,
+   const char *args);
+
+/**
  * Apply a list of bitstream filters to a packet.
  *
  * @return  >=0 on success;
diff --git a/libavformat/utils.c b/libavformat/utils.c
index 3ed7935..26311fe 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -4631,6 +4631,26 @@ uint8_t *ff_stream_new_side_data(AVStream *st, enum 
AVPacketSideDataType type,
 return data;
 }
 
+int av_stream_add_bitstream_filter(AVStream *st, const char *name,
+   const char *args)
+{
+AVBitStreamFilterContext *bsfc = NULL;
+AVBitStreamFilterContext **dest = &st->bsfc;
+while (*dest && (*dest)->next)
+dest = &(*dest)->next;
+
+if (!(bsfc = av_bitstream_filter_init(name))) {
+av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", name);
+return AVERROR(EINVAL);
+}
+if (args && !(bsfc->args = av_strdup(args))) {
+av_bitstream_filter_close(bsfc);
+return AVERROR(ENOMEM);
+}
+*dest = bsfc;
+return 1;
+}
+
 int av_apply_bitstream_filters(AVFormatContext *s, AVPacket *pkt,
AVBitStreamFilterContext *bsfc)
 {
-- 
2.6.3

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[FFmpeg-devel] [PATCH 5/6] lavf: add API to append a bsf to a stream's list

2015-10-07 Thread Rodger Combs 
---
 libavformat/avformat.h |  8 
 libavformat/utils.c| 19 +++
 2 files changed, 27 insertions(+)

diff --git a/libavformat/avformat.h b/libavformat/avformat.h
index f3c8260..20759e3 100644
--- a/libavformat/avformat.h
+++ b/libavformat/avformat.h
@@ -2758,6 +2758,14 @@ int avformat_match_stream_specifier(AVFormatContext *s, 
AVStream *st,
 int avformat_queue_attached_pictures(AVFormatContext *s);
 
 /**
+ * Add a bitstream filter to a stream.
+ *
+ * @return  >0 on success;
+ *  AVERROR code on failure
+ */
+int av_add_bitstream_filter(AVStream *st, const char *name, const char *args);
+
+/**
  * Apply a list of bitstream filters to a packet.
  *
  * @return  >=0 on success;
diff --git a/libavformat/utils.c b/libavformat/utils.c
index d4f8f12..d233dfd 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -4597,6 +4597,25 @@ uint8_t *ff_stream_new_side_data(AVStream *st, enum 
AVPacketSideDataType type,
 return data;
 }
 
+int av_add_bitstream_filter(AVStream *st, const char *name, const char *args)
+{
+AVBitStreamFilterContext *bsfc = NULL;
+AVBitStreamFilterContext **dest = &st->bsfc;
+while (*dest && (*dest)->next)
+dest = &(*dest)->next;
+
+if (!(bsfc = av_bitstream_filter_init(name))) {
+av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", name);
+return AVERROR(EINVAL);
+}
+if (args && !(bsfc->args = av_strdup(args))) {
+av_bitstream_filter_close(bsfc);
+return AVERROR(ENOMEM);
+}
+*dest = bsfc;
+return 1;
+}
+
 int av_apply_bitstream_filters(AVFormatContext *s, AVPacket *pkt,
AVBitStreamFilterContext *bsfc)
 {
-- 
2.6.0

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