diff options
Diffstat (limited to 'libavfilter/internal.h')
-rw-r--r-- | libavfilter/internal.h | 88 |
1 files changed, 84 insertions, 4 deletions
diff --git a/libavfilter/internal.h b/libavfilter/internal.h index 0630e9b..575bcff 100644 --- a/libavfilter/internal.h +++ b/libavfilter/internal.h @@ -1,18 +1,18 @@ /* - * This file is part of Libav. + * This file is part of FFmpeg. * - * Libav is free software; you can redistribute it and/or + * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * - * Libav is distributed in the hope that it will be useful, + * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public - * License along with Libav; if not, write to the Free Software + * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ @@ -27,6 +27,22 @@ #include "avfilter.h" #include "avfiltergraph.h" +#define POOL_SIZE 32 +typedef struct AVFilterPool { + AVFilterBufferRef *pic[POOL_SIZE]; + int count; + int refcount; + int draining; +} AVFilterPool; + +typedef struct AVFilterCommand { + double time; ///< time expressed in seconds + char *command; ///< command + char *arg; ///< optional argument for the command + int flags; + struct AVFilterCommand *next; +} AVFilterCommand; + /** * Check for the validity of graph. * @@ -55,4 +71,68 @@ void ff_avfilter_default_free_buffer(AVFilterBuffer *buf); /** Tell is a format is contained in the provided list terminated by -1. */ int ff_fmt_is_in(int fmt, const int *fmts); +/** + * Return a copy of a list of integers terminated by -1, or NULL in + * case of copy failure. + */ +int *ff_copy_int_list(const int * const list); + +/** + * Return a copy of a list of 64-bit integers, or NULL in case of + * copy failure. + */ +int64_t *ff_copy_int64_list(const int64_t * const list); + +/* Functions to parse audio format arguments */ + +/** + * Parse a pixel format. + * + * @param ret pixel format pointer to where the value should be written + * @param arg string to parse + * @param log_ctx log context + * @return 0 in case of success, a negative AVERROR code on error + */ +int ff_parse_pixel_format(enum PixelFormat *ret, const char *arg, void *log_ctx); + +/** + * Parse a sample rate. + * + * @param ret unsigned integer pointer to where the value should be written + * @param arg string to parse + * @param log_ctx log context + * @return 0 in case of success, a negative AVERROR code on error + */ +int ff_parse_sample_rate(int *ret, const char *arg, void *log_ctx); + +/** + * Parse a sample format name or a corresponding integer representation. + * + * @param ret integer pointer to where the value should be written + * @param arg string to parse + * @param log_ctx log context + * @return 0 in case of success, a negative AVERROR code on error + */ +int ff_parse_sample_format(int *ret, const char *arg, void *log_ctx); + +/** + * Parse a channel layout or a corresponding integer representation. + * + * @param ret 64bit integer pointer to where the value should be written. + * @param arg string to parse + * @param log_ctx log context + * @return 0 in case of success, a negative AVERROR code on error + */ +int ff_parse_channel_layout(int64_t *ret, const char *arg, void *log_ctx); + +/** + * Parse a packing format or a corresponding integer representation. + * + * @param ret integer pointer to where the value should be written + * @param arg string to parse + * @param log_ctx log context + * @return 0 in case of success, a negative AVERROR code on error + */ +int ff_parse_packing_format(int *ret, const char *arg, void *log_ctx); + #endif /* AVFILTER_INTERNAL_H */ |