* Fallback for options that are not explicitly handled, these will be
* parsed through AVOptions.
*/
-int opt_default(const char *opt, const char *arg);
+int opt_default(void *optctx, const char *opt, const char *arg);
/**
* Set the libav* libraries log level.
*/
-int opt_loglevel(const char *opt, const char *arg);
+int opt_loglevel(void *optctx, const char *opt, const char *arg);
/**
* Limit the execution time.
*/
-int opt_timelimit(const char *opt, const char *arg);
+int opt_timelimit(void *optctx, const char *opt, const char *arg);
/**
* Parse a string and return its corresponding value as a double.
} u;
} SpecifierOpt;
-typedef struct {
+typedef struct OptionDef {
const char *name;
int flags;
#define HAS_ARG 0x0001
#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
#define OPT_INT64 0x0400
#define OPT_EXIT 0x0800
#define OPT_DATA 0x1000
-#define OPT_FUNC2 0x2000
+#define OPT_PERFILE 0x2000 /* the option is per-file (currently avconv-only).
+ implied by OPT_OFFSET or OPT_SPEC */
#define OPT_OFFSET 0x4000 /* option is specified as an offset in a passed optctx */
#define OPT_SPEC 0x8000 /* option is to be stored in an array of SpecifierOpt.
Implies OPT_OFFSET. Next element after the offset is
#define OPT_DOUBLE 0x20000
union {
void *dst_ptr;
- int (*func_arg)(const char *, const char *);
- int (*func2_arg)(void *, const char *, const char *);
+ int (*func_arg)(void *, const char *, const char *);
size_t off;
} u;
const char *help;
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.
+ * @param alt_flags print only options that have at least one of those flags set
+ */
+void show_help_options(const OptionDef *options, const char *msg, int req_flags,
+ int rej_flags, int alt_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(void *optctx, const char *opt, const char *arg);
+
/**
* Parse the command line arguments.
*
* @param optctx an opaque options context
+ * @param argc number of command line arguments
+ * @param argv values of command line arguments
* @param options Array with the definitions required to interpret every
* option of the form: -option_name [argument]
* @param parse_arg_function Name of the function called to process every
*/
void parse_loglevel(int argc, char **argv, const OptionDef *options);
+/**
+ * Return index of option opt in argv or 0 if not found.
+ */
+int locate_option(int argc, char **argv, const OptionDef *options,
+ const char *optname);
+
/**
* Check if the given stream matches a stream specifier.
*
* Create a new options dictionary containing only the options from
* opts which apply to the codec with ID codec_id.
*
+ * @param opts dictionary to place options in
+ * @param codec_id ID of the codec that should be filtered for
* @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(void *optctx, 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(void *optctx, const char *opt, const char *arg);
/**
* Print a listing containing all the formats supported by the
* program.
*/
-void show_formats(void);
+int show_formats(void *optctx, const char *opt, const char *arg);
/**
* Print a listing containing all the codecs supported by the
* program.
*/
-void show_codecs(void);
+int show_codecs(void *optctx, const char *opt, const char *arg);
+
+/**
+ * Print a listing containing all the decoders supported by the
+ * program.
+ */
+int show_decoders(void *optctx, const char *opt, const char *arg);
+
+/**
+ * Print a listing containing all the encoders supported by the
+ * program.
+ */
+int show_encoders(void *optctx, const char *opt, const char *arg);
/**
* Print a listing containing all the filters supported by the
* program.
*/
-void show_filters(void);
+int show_filters(void *optctx, 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(void *optctx, const char *opt, const char *arg);
/**
* Print a listing containing all the protocols supported by the
* program.
*/
-void show_protocols(void);
+int show_protocols(void *optctx, 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(void *optctx, const char *opt, const char *arg);
/**
* Print a listing containing all the sample formats supported by the
* program.
*/
-int show_sample_fmts(const char *opt, const char *arg);
+int show_sample_fmts(void *optctx, const char *opt, const char *arg);
/**
* Return a positive value if a line read from standard input
* Read the file with name filename, and put its content in a newly
* allocated 0-terminated buffer.
*
+ * @param filename file to read from
* @param bufptr location where pointer to buffer is returned
* @param size location where size of buffer is returned
* @return 0 in case of success, a negative value corresponding to an
*/
int cmdutils_read_file(const char *filename, char **bufptr, size_t *size);
-typedef struct {
+typedef struct PtsCorrectionContext {
int64_t num_faulty_pts; /// Number of incorrect PTS values so far
int64_t num_faulty_dts; /// Number of incorrect DTS values so far
int64_t last_pts; /// PTS of the last frame
* which might have incorrect times. Input timestamps may wrap around, in
* which case the output will as well.
*
+ * @param ctx the PtsCorrectionContext carrying stream pts information
* @param pts the pts field of the decoded AVPacket, as passed through
* AVCodecContext.reordered_opaque
* @param dts the dts field of the decoded AVPacket
* 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;
-} AVSinkContext;
+/**
+ * Realloc array to hold new_size elements of elem_size.
+ * Calls exit() on failure.
+ *
+ * @param array array to reallocate
+ * @param elem_size size in bytes of each element
+ * @param size new element count will be written here
+ * @param new_size number of elements to place in reallocated array
+ * @return reallocated array
+ */
+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 AVPixelFormat pix_fmt;
-extern AVFilter avsink;
+ int refcount;
+ struct FrameBuffer **pool; ///< head of the buffer pool
+ struct FrameBuffer *next;
+} FrameBuffer;
/**
- * Extract a frame from sink.
+ * Get a frame from the pool. This is intended to be used as a callback for
+ * AVCodecContext.get_buffer.
*
- * @return a negative error in case of failure, 1 if one frame has
- * been extracted successfully.
+ * @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 get_filtered_video_frame(AVFilterContext *sink, AVFrame *frame,
- AVFilterBufferRef **picref, AVRational *pts_tb);
+int codec_get_buffer(AVCodecContext *s, AVFrame *frame);
/**
- * Do all the necessary cleanup and abort.
- * This function is implemented in the avtools, not cmdutils.
+ * A callback to be used for AVCodecContext.release_buffer along with
+ * codec_get_buffer().
*/
-void exit_program(int ret);
+void codec_release_buffer(AVCodecContext *s, AVFrame *frame);
/**
- * Realloc array to hold new_size elements of elem_size.
- * Calls exit_program() on failure.
- *
- * @param elem_size size in bytes of each element
- * @param size new element count will be written here
- * @return reallocated array
+ * 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 *grow_array(void *array, int elem_size, int *size, int new_size);
+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