#define OPT_STRING 0x0008
#define OPT_VIDEO 0x0010
#define OPT_AUDIO 0x0020
-#define OPT_GRAB 0x0040
#define OPT_INT 0x0080
#define OPT_FLOAT 0x0100
#define OPT_SUBTITLE 0x0200
const char *argname;
} OptionDef;
-void show_help_options(const OptionDef *options, const char *msg, int mask,
- int value);
+/**
+ * Print help for all options matching specified flags.
+ *
+ * @param options a list of options
+ * @param msg title of this group. Only printed if at least one option matches.
+ * @param req_flags print only options which have all those flags set.
+ * @param rej_flags don't print options which have any of those flags set.
+ */
+void show_help_options(const OptionDef *options, const char *msg, int req_flags,
+ int rej_flags);
/**
* Show help for all options with given flags in class and all its
*/
void show_help_children(const AVClass *class, int flags);
+/**
+ * Per-avtool specific help handler. Implemented in each
+ * avtool, called by show_help().
+ */
+void show_help_default(const char *opt, const char *arg);
+
+/**
+ * Generic -h handler common to all avtools.
+ */
+int show_help(const char *opt, const char *arg);
+
/**
* Parse the command line arguments.
*
*
* @param s Corresponding format context.
* @param st A stream from s for which the options should be filtered.
+ * @param codec The particular codec for which the options should be filtered.
+ * If null, the default one is looked up according to the codec id.
* @return a pointer to the created dictionary
*/
-AVDictionary *filter_codec_opts(AVDictionary *opts, enum CodecID codec_id,
- AVFormatContext *s, AVStream *st);
+AVDictionary *filter_codec_opts(AVDictionary *opts, enum AVCodecID codec_id,
+ AVFormatContext *s, AVStream *st, AVCodec *codec);
/**
* Setup AVCodecContext options for avformat_find_stream_info().
* depends on the current versions of the repository and of the libav*
* libraries.
*/
-void show_version(void);
+int show_version(const char *opt, const char *arg);
/**
* Print the license of the program to stdout. The license depends on
* the license of the libraries compiled into the program.
*/
-void show_license(void);
+int show_license(const char *opt, const char *arg);
/**
* Print a listing containing all the formats supported by the
* program.
*/
-void show_formats(void);
+int show_formats(const char *opt, const char *arg);
/**
* Print a listing containing all the codecs supported by the
* program.
*/
-void show_codecs(void);
+int show_codecs(const char *opt, const char *arg);
+
+/**
+ * Print a listing containing all the decoders supported by the
+ * program.
+ */
+int show_decoders(const char *opt, const char *arg);
+
+/**
+ * Print a listing containing all the encoders supported by the
+ * program.
+ */
+int show_encoders(const char *opt, const char *arg);
/**
* Print a listing containing all the filters supported by the
* program.
*/
-void show_filters(void);
+int show_filters(const char *opt, const char *arg);
/**
* Print a listing containing all the bit stream filters supported by the
* program.
*/
-void show_bsfs(void);
+int show_bsfs(const char *opt, const char *arg);
/**
* Print a listing containing all the protocols supported by the
* program.
*/
-void show_protocols(void);
+int show_protocols(const char *opt, const char *arg);
/**
* Print a listing containing all the pixel formats supported by the
* program.
*/
-void show_pix_fmts(void);
+int show_pix_fmts(const char *opt, const char *arg);
/**
* Print a listing containing all the sample formats supported by the
* Get a file corresponding to a preset file.
*
* If is_path is non-zero, look for the file in the path preset_name.
- * Otherwise search for a file named arg.ffpreset in the directories
+ * Otherwise search for a file named arg.avpreset in the directories
* $AVCONV_DATADIR (if set), $HOME/.avconv, and in the datadir defined
* at configuration time, in that order. If no such file is found and
* codec_name is defined, then search for a file named
- * codec_name-preset_name.ffpreset in the above-mentioned directories.
+ * codec_name-preset_name.avpreset in the above-mentioned directories.
*
* @param filename buffer where the name of the found filename is written
* @param filename_size size in bytes of the filename buffer
FILE *get_preset_file(char *filename, size_t filename_size,
const char *preset_name, int is_path, const char *codec_name);
-typedef struct {
- enum PixelFormat pix_fmt;
-} SinkContext;
-
-extern AVFilter sink;
-
-/**
- * Extract a frame from sink.
- *
- * @return a negative error in case of failure, 1 if one frame has
- * been extracted successfully.
- */
-int get_filtered_video_frame(AVFilterContext *sink, AVFrame *frame,
- AVFilterBufferRef **picref, AVRational *pts_tb);
-
/**
* Do all the necessary cleanup and abort.
* This function is implemented in the avtools, not cmdutils.
*/
-void exit_program(int ret);
+av_noreturn void exit_program(int ret);
/**
* Realloc array to hold new_size elements of elem_size.
*/
void *grow_array(void *array, int elem_size, int *size, int new_size);
+typedef struct FrameBuffer {
+ uint8_t *base[4];
+ uint8_t *data[4];
+ int linesize[4];
+
+ int h, w;
+ enum PixelFormat pix_fmt;
+
+ int refcount;
+ struct FrameBuffer **pool; ///< head of the buffer pool
+ struct FrameBuffer *next;
+} FrameBuffer;
+
+/**
+ * Get a frame from the pool. This is intended to be used as a callback for
+ * AVCodecContext.get_buffer.
+ *
+ * @param s codec context. s->opaque must be a pointer to the head of the
+ * buffer pool.
+ * @param frame frame->opaque will be set to point to the FrameBuffer
+ * containing the frame data.
+ */
+int codec_get_buffer(AVCodecContext *s, AVFrame *frame);
+
+/**
+ * A callback to be used for AVCodecContext.release_buffer along with
+ * codec_get_buffer().
+ */
+void codec_release_buffer(AVCodecContext *s, AVFrame *frame);
+
+/**
+ * A callback to be used for AVFilterBuffer.free.
+ * @param fb buffer to free. fb->priv must be a pointer to the FrameBuffer
+ * containing the buffer data.
+ */
+void filter_release_buffer(AVFilterBuffer *fb);
+
+/**
+ * Free all the buffers in the pool. This must be called after all the
+ * buffers have been released.
+ */
+void free_buffer_pool(FrameBuffer **pool);
+
+#define GET_PIX_FMT_NAME(pix_fmt)\
+ const char *name = av_get_pix_fmt_name(pix_fmt);
+
+#define GET_SAMPLE_FMT_NAME(sample_fmt)\
+ const char *name = av_get_sample_fmt_name(sample_fmt)
+
+#define GET_SAMPLE_RATE_NAME(rate)\
+ char name[16];\
+ snprintf(name, sizeof(name), "%d", rate);
+
+#define GET_CH_LAYOUT_NAME(ch_layout)\
+ char name[16];\
+ snprintf(name, sizeof(name), "0x%"PRIx64, ch_layout);
+
+#define GET_CH_LAYOUT_DESC(ch_layout)\
+ char name[128];\
+ av_get_channel_layout_string(name, sizeof(name), 0, ch_layout);
+
#endif /* LIBAV_CMDUTILS_H */
projects / ffmpeg / blobdiff