| @@ -10,7 +10,6 @@ OBJS = allfilters.o \ | |||
| audio.o \ | |||
| avfilter.o \ | |||
| avfiltergraph.o \ | |||
| buffer.o \ | |||
| buffersink.o \ | |||
| buffersrc.o \ | |||
| drawutils.o \ | |||
| @@ -66,75 +66,3 @@ AVFrame *ff_get_audio_buffer(AVFilterLink *link, int nb_samples) | |||
| return ret; | |||
| } | |||
| #if FF_API_AVFILTERBUFFER | |||
| AVFilterBufferRef* avfilter_get_audio_buffer_ref_from_arrays(uint8_t **data, | |||
| int linesize,int perms, | |||
| int nb_samples, | |||
| enum AVSampleFormat sample_fmt, | |||
| uint64_t channel_layout) | |||
| { | |||
| int planes; | |||
| AVFilterBuffer *samples = av_mallocz(sizeof(*samples)); | |||
| AVFilterBufferRef *samplesref = av_mallocz(sizeof(*samplesref)); | |||
| if (!samples || !samplesref) | |||
| goto fail; | |||
| samplesref->buf = samples; | |||
| samplesref->buf->free = ff_avfilter_default_free_buffer; | |||
| if (!(samplesref->audio = av_mallocz(sizeof(*samplesref->audio)))) | |||
| goto fail; | |||
| samplesref->audio->nb_samples = nb_samples; | |||
| samplesref->audio->channel_layout = channel_layout; | |||
| samplesref->audio->planar = av_sample_fmt_is_planar(sample_fmt); | |||
| planes = samplesref->audio->planar ? av_get_channel_layout_nb_channels(channel_layout) : 1; | |||
| /* make sure the buffer gets read permission or it's useless for output */ | |||
| samplesref->perms = perms | AV_PERM_READ; | |||
| samples->refcount = 1; | |||
| samplesref->type = AVMEDIA_TYPE_AUDIO; | |||
| samplesref->format = sample_fmt; | |||
| memcpy(samples->data, data, | |||
| FFMIN(FF_ARRAY_ELEMS(samples->data), planes)*sizeof(samples->data[0])); | |||
| memcpy(samplesref->data, samples->data, sizeof(samples->data)); | |||
| samples->linesize[0] = samplesref->linesize[0] = linesize; | |||
| if (planes > FF_ARRAY_ELEMS(samples->data)) { | |||
| samples-> extended_data = av_mallocz(sizeof(*samples->extended_data) * | |||
| planes); | |||
| samplesref->extended_data = av_mallocz(sizeof(*samplesref->extended_data) * | |||
| planes); | |||
| if (!samples->extended_data || !samplesref->extended_data) | |||
| goto fail; | |||
| memcpy(samples-> extended_data, data, sizeof(*data)*planes); | |||
| memcpy(samplesref->extended_data, data, sizeof(*data)*planes); | |||
| } else { | |||
| samples->extended_data = samples->data; | |||
| samplesref->extended_data = samplesref->data; | |||
| } | |||
| samplesref->pts = AV_NOPTS_VALUE; | |||
| return samplesref; | |||
| fail: | |||
| if (samples && samples->extended_data != samples->data) | |||
| av_freep(&samples->extended_data); | |||
| if (samplesref) { | |||
| av_freep(&samplesref->audio); | |||
| if (samplesref->extended_data != samplesref->data) | |||
| av_freep(&samplesref->extended_data); | |||
| } | |||
| av_freep(&samplesref); | |||
| av_freep(&samples); | |||
| return NULL; | |||
| } | |||
| #endif | |||
| @@ -66,168 +66,6 @@ typedef struct AVFilterLink AVFilterLink; | |||
| typedef struct AVFilterPad AVFilterPad; | |||
| typedef struct AVFilterFormats AVFilterFormats; | |||
| #if FF_API_AVFILTERBUFFER | |||
| /** | |||
| * A reference-counted buffer data type used by the filter system. Filters | |||
| * should not store pointers to this structure directly, but instead use the | |||
| * AVFilterBufferRef structure below. | |||
| */ | |||
| typedef struct AVFilterBuffer { | |||
| uint8_t *data[8]; ///< buffer data for each plane/channel | |||
| /** | |||
| * pointers to the data planes/channels. | |||
| * | |||
| * For video, this should simply point to data[]. | |||
| * | |||
| * For planar audio, each channel has a separate data pointer, and | |||
| * linesize[0] contains the size of each channel buffer. | |||
| * For packed audio, there is just one data pointer, and linesize[0] | |||
| * contains the total size of the buffer for all channels. | |||
| * | |||
| * Note: Both data and extended_data will always be set, but for planar | |||
| * audio with more channels that can fit in data, extended_data must be used | |||
| * in order to access all channels. | |||
| */ | |||
| uint8_t **extended_data; | |||
| int linesize[8]; ///< number of bytes per line | |||
| /** private data to be used by a custom free function */ | |||
| void *priv; | |||
| /** | |||
| * A pointer to the function to deallocate this buffer if the default | |||
| * function is not sufficient. This could, for example, add the memory | |||
| * back into a memory pool to be reused later without the overhead of | |||
| * reallocating it from scratch. | |||
| */ | |||
| void (*free)(struct AVFilterBuffer *buf); | |||
| int format; ///< media format | |||
| int w, h; ///< width and height of the allocated buffer | |||
| unsigned refcount; ///< number of references to this buffer | |||
| } AVFilterBuffer; | |||
| #define AV_PERM_READ 0x01 ///< can read from the buffer | |||
| #define AV_PERM_WRITE 0x02 ///< can write to the buffer | |||
| #define AV_PERM_PRESERVE 0x04 ///< nobody else can overwrite the buffer | |||
| #define AV_PERM_REUSE 0x08 ///< can output the buffer multiple times, with the same contents each time | |||
| #define AV_PERM_REUSE2 0x10 ///< can output the buffer multiple times, modified each time | |||
| #define AV_PERM_NEG_LINESIZES 0x20 ///< the buffer requested can have negative linesizes | |||
| /** | |||
| * Audio specific properties in a reference to an AVFilterBuffer. Since | |||
| * AVFilterBufferRef is common to different media formats, audio specific | |||
| * per reference properties must be separated out. | |||
| */ | |||
| typedef struct AVFilterBufferRefAudioProps { | |||
| uint64_t channel_layout; ///< channel layout of audio buffer | |||
| int nb_samples; ///< number of audio samples | |||
| int sample_rate; ///< audio buffer sample rate | |||
| int planar; ///< audio buffer - planar or packed | |||
| } AVFilterBufferRefAudioProps; | |||
| /** | |||
| * Video specific properties in a reference to an AVFilterBuffer. Since | |||
| * AVFilterBufferRef is common to different media formats, video specific | |||
| * per reference properties must be separated out. | |||
| */ | |||
| typedef struct AVFilterBufferRefVideoProps { | |||
| int w; ///< image width | |||
| int h; ///< image height | |||
| AVRational pixel_aspect; ///< pixel aspect ratio | |||
| int interlaced; ///< is frame interlaced | |||
| int top_field_first; ///< field order | |||
| enum AVPictureType pict_type; ///< picture type of the frame | |||
| int key_frame; ///< 1 -> keyframe, 0-> not | |||
| } AVFilterBufferRefVideoProps; | |||
| /** | |||
| * A reference to an AVFilterBuffer. Since filters can manipulate the origin of | |||
| * a buffer to, for example, crop image without any memcpy, the buffer origin | |||
| * and dimensions are per-reference properties. Linesize is also useful for | |||
| * image flipping, frame to field filters, etc, and so is also per-reference. | |||
| * | |||
| * TODO: add anything necessary for frame reordering | |||
| */ | |||
| typedef struct AVFilterBufferRef { | |||
| AVFilterBuffer *buf; ///< the buffer that this is a reference to | |||
| uint8_t *data[8]; ///< picture/audio data for each plane | |||
| /** | |||
| * pointers to the data planes/channels. | |||
| * | |||
| * For video, this should simply point to data[]. | |||
| * | |||
| * For planar audio, each channel has a separate data pointer, and | |||
| * linesize[0] contains the size of each channel buffer. | |||
| * For packed audio, there is just one data pointer, and linesize[0] | |||
| * contains the total size of the buffer for all channels. | |||
| * | |||
| * Note: Both data and extended_data will always be set, but for planar | |||
| * audio with more channels that can fit in data, extended_data must be used | |||
| * in order to access all channels. | |||
| */ | |||
| uint8_t **extended_data; | |||
| int linesize[8]; ///< number of bytes per line | |||
| AVFilterBufferRefVideoProps *video; ///< video buffer specific properties | |||
| AVFilterBufferRefAudioProps *audio; ///< audio buffer specific properties | |||
| /** | |||
| * presentation timestamp. The time unit may change during | |||
| * filtering, as it is specified in the link and the filter code | |||
| * may need to rescale the PTS accordingly. | |||
| */ | |||
| int64_t pts; | |||
| int64_t pos; ///< byte position in stream, -1 if unknown | |||
| int format; ///< media format | |||
| int perms; ///< permissions, see the AV_PERM_* flags | |||
| enum AVMediaType type; ///< media type of buffer data | |||
| } AVFilterBufferRef; | |||
| /** | |||
| * Copy properties of src to dst, without copying the actual data | |||
| */ | |||
| attribute_deprecated | |||
| void avfilter_copy_buffer_ref_props(AVFilterBufferRef *dst, AVFilterBufferRef *src); | |||
| /** | |||
| * Add a new reference to a buffer. | |||
| * | |||
| * @param ref an existing reference to the buffer | |||
| * @param pmask a bitmask containing the allowable permissions in the new | |||
| * reference | |||
| * @return a new reference to the buffer with the same properties as the | |||
| * old, excluding any permissions denied by pmask | |||
| */ | |||
| attribute_deprecated | |||
| AVFilterBufferRef *avfilter_ref_buffer(AVFilterBufferRef *ref, int pmask); | |||
| /** | |||
| * Remove a reference to a buffer. If this is the last reference to the | |||
| * buffer, the buffer itself is also automatically freed. | |||
| * | |||
| * @param ref reference to the buffer, may be NULL | |||
| * | |||
| * @note it is recommended to use avfilter_unref_bufferp() instead of this | |||
| * function | |||
| */ | |||
| attribute_deprecated | |||
| void avfilter_unref_buffer(AVFilterBufferRef *ref); | |||
| /** | |||
| * Remove a reference to a buffer and set the pointer to NULL. | |||
| * If this is the last reference to the buffer, the buffer itself | |||
| * is also automatically freed. | |||
| * | |||
| * @param ref pointer to the buffer reference | |||
| */ | |||
| attribute_deprecated | |||
| void avfilter_unref_bufferp(AVFilterBufferRef **ref); | |||
| #endif | |||
| /** | |||
| * Get the number of elements in a NULL-terminated array of AVFilterPads (e.g. | |||
| * AVFilter.inputs/outputs). | |||
| @@ -559,43 +397,6 @@ int avfilter_link(AVFilterContext *src, unsigned srcpad, | |||
| */ | |||
| int avfilter_config_links(AVFilterContext *filter); | |||
| #if FF_API_AVFILTERBUFFER | |||
| /** | |||
| * Create a buffer reference wrapped around an already allocated image | |||
| * buffer. | |||
| * | |||
| * @param data pointers to the planes of the image to reference | |||
| * @param linesize linesizes for the planes of the image to reference | |||
| * @param perms the required access permissions | |||
| * @param w the width of the image specified by the data and linesize arrays | |||
| * @param h the height of the image specified by the data and linesize arrays | |||
| * @param format the pixel format of the image specified by the data and linesize arrays | |||
| */ | |||
| attribute_deprecated | |||
| AVFilterBufferRef * | |||
| avfilter_get_video_buffer_ref_from_arrays(uint8_t *data[4], int linesize[4], int perms, | |||
| int w, int h, enum AVPixelFormat format); | |||
| /** | |||
| * Create an audio buffer reference wrapped around an already | |||
| * allocated samples buffer. | |||
| * | |||
| * @param data pointers to the samples plane buffers | |||
| * @param linesize linesize for the samples plane buffers | |||
| * @param perms the required access permissions | |||
| * @param nb_samples number of samples per channel | |||
| * @param sample_fmt the format of each sample in the buffer to allocate | |||
| * @param channel_layout the channel layout of the buffer | |||
| */ | |||
| attribute_deprecated | |||
| AVFilterBufferRef *avfilter_get_audio_buffer_ref_from_arrays(uint8_t **data, | |||
| int linesize, | |||
| int perms, | |||
| int nb_samples, | |||
| enum AVSampleFormat sample_fmt, | |||
| uint64_t channel_layout); | |||
| #endif | |||
| /** Initialize the filter system. Register all builtin filters. */ | |||
| void avfilter_register_all(void); | |||
| @@ -733,26 +534,6 @@ void avfilter_free(AVFilterContext *filter); | |||
| int avfilter_insert_filter(AVFilterLink *link, AVFilterContext *filt, | |||
| unsigned filt_srcpad_idx, unsigned filt_dstpad_idx); | |||
| #if FF_API_AVFILTERBUFFER | |||
| /** | |||
| * Copy the frame properties of src to dst, without copying the actual | |||
| * image data. | |||
| * | |||
| * @return 0 on success, a negative number on error. | |||
| */ | |||
| attribute_deprecated | |||
| int avfilter_copy_frame_props(AVFilterBufferRef *dst, const AVFrame *src); | |||
| /** | |||
| * Copy the frame properties and data pointers of src to dst, without copying | |||
| * the actual data. | |||
| * | |||
| * @return 0 on success, a negative number on error. | |||
| */ | |||
| attribute_deprecated | |||
| int avfilter_copy_buf_props(AVFrame *dst, const AVFilterBufferRef *src); | |||
| #endif | |||
| /** | |||
| * @return AVClass for AVFilterContext. | |||
| * | |||
| @@ -1,181 +0,0 @@ | |||
| /* | |||
| * This file is part of Libav. | |||
| * | |||
| * Libav 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, | |||
| * 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 | |||
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |||
| */ | |||
| #include "libavutil/channel_layout.h" | |||
| #include "libavutil/common.h" | |||
| #include "libavutil/internal.h" | |||
| #include "libavcodec/avcodec.h" | |||
| #include "avfilter.h" | |||
| #include "internal.h" | |||
| #include "version.h" | |||
| #if FF_API_AVFILTERBUFFER | |||
| /* TODO: buffer pool. see comment for avfilter_default_get_video_buffer() */ | |||
| void ff_avfilter_default_free_buffer(AVFilterBuffer *ptr) | |||
| { | |||
| if (ptr->extended_data != ptr->data) | |||
| av_freep(&ptr->extended_data); | |||
| av_free(ptr->data[0]); | |||
| av_free(ptr); | |||
| } | |||
| AVFilterBufferRef *avfilter_ref_buffer(AVFilterBufferRef *ref, int pmask) | |||
| { | |||
| AVFilterBufferRef *ret = av_malloc(sizeof(AVFilterBufferRef)); | |||
| if (!ret) | |||
| return NULL; | |||
| *ret = *ref; | |||
| if (ref->type == AVMEDIA_TYPE_VIDEO) { | |||
| ret->video = av_malloc(sizeof(AVFilterBufferRefVideoProps)); | |||
| if (!ret->video) { | |||
| av_free(ret); | |||
| return NULL; | |||
| } | |||
| *ret->video = *ref->video; | |||
| ret->extended_data = ret->data; | |||
| } else if (ref->type == AVMEDIA_TYPE_AUDIO) { | |||
| ret->audio = av_malloc(sizeof(AVFilterBufferRefAudioProps)); | |||
| if (!ret->audio) { | |||
| av_free(ret); | |||
| return NULL; | |||
| } | |||
| *ret->audio = *ref->audio; | |||
| if (ref->extended_data != ref->data) { | |||
| int nb_channels = av_get_channel_layout_nb_channels(ref->audio->channel_layout); | |||
| if (!(ret->extended_data = av_malloc(sizeof(*ret->extended_data) * | |||
| nb_channels))) { | |||
| av_freep(&ret->audio); | |||
| av_freep(&ret); | |||
| return NULL; | |||
| } | |||
| memcpy(ret->extended_data, ref->extended_data, | |||
| sizeof(*ret->extended_data) * nb_channels); | |||
| } else | |||
| ret->extended_data = ret->data; | |||
| } | |||
| ret->perms &= pmask; | |||
| ret->buf->refcount ++; | |||
| return ret; | |||
| } | |||
| void avfilter_unref_buffer(AVFilterBufferRef *ref) | |||
| { | |||
| if (!ref) | |||
| return; | |||
| if (!(--ref->buf->refcount)) | |||
| ref->buf->free(ref->buf); | |||
| if (ref->extended_data != ref->data) | |||
| av_freep(&ref->extended_data); | |||
| av_free(ref->video); | |||
| av_free(ref->audio); | |||
| av_free(ref); | |||
| } | |||
| void avfilter_unref_bufferp(AVFilterBufferRef **ref) | |||
| { | |||
| FF_DISABLE_DEPRECATION_WARNINGS | |||
| avfilter_unref_buffer(*ref); | |||
| FF_ENABLE_DEPRECATION_WARNINGS | |||
| *ref = NULL; | |||
| } | |||
| int avfilter_copy_frame_props(AVFilterBufferRef *dst, const AVFrame *src) | |||
| { | |||
| dst->pts = src->pts; | |||
| dst->format = src->format; | |||
| switch (dst->type) { | |||
| case AVMEDIA_TYPE_VIDEO: | |||
| dst->video->w = src->width; | |||
| dst->video->h = src->height; | |||
| dst->video->pixel_aspect = src->sample_aspect_ratio; | |||
| dst->video->interlaced = src->interlaced_frame; | |||
| dst->video->top_field_first = src->top_field_first; | |||
| dst->video->key_frame = src->key_frame; | |||
| dst->video->pict_type = src->pict_type; | |||
| break; | |||
| case AVMEDIA_TYPE_AUDIO: | |||
| dst->audio->sample_rate = src->sample_rate; | |||
| dst->audio->channel_layout = src->channel_layout; | |||
| break; | |||
| default: | |||
| return AVERROR(EINVAL); | |||
| } | |||
| return 0; | |||
| } | |||
| int avfilter_copy_buf_props(AVFrame *dst, const AVFilterBufferRef *src) | |||
| { | |||
| int planes, nb_channels; | |||
| memcpy(dst->data, src->data, sizeof(dst->data)); | |||
| memcpy(dst->linesize, src->linesize, sizeof(dst->linesize)); | |||
| dst->pts = src->pts; | |||
| dst->format = src->format; | |||
| switch (src->type) { | |||
| case AVMEDIA_TYPE_VIDEO: | |||
| dst->width = src->video->w; | |||
| dst->height = src->video->h; | |||
| dst->sample_aspect_ratio = src->video->pixel_aspect; | |||
| dst->interlaced_frame = src->video->interlaced; | |||
| dst->top_field_first = src->video->top_field_first; | |||
| dst->key_frame = src->video->key_frame; | |||
| dst->pict_type = src->video->pict_type; | |||
| break; | |||
| case AVMEDIA_TYPE_AUDIO: | |||
| nb_channels = av_get_channel_layout_nb_channels(src->audio->channel_layout); | |||
| planes = av_sample_fmt_is_planar(src->format) ? nb_channels : 1; | |||
| if (planes > FF_ARRAY_ELEMS(dst->data)) { | |||
| dst->extended_data = av_mallocz(planes * sizeof(*dst->extended_data)); | |||
| if (!dst->extended_data) | |||
| return AVERROR(ENOMEM); | |||
| memcpy(dst->extended_data, src->extended_data, | |||
| planes * sizeof(*dst->extended_data)); | |||
| } else | |||
| dst->extended_data = dst->data; | |||
| dst->sample_rate = src->audio->sample_rate; | |||
| dst->channel_layout = src->audio->channel_layout; | |||
| dst->nb_samples = src->audio->nb_samples; | |||
| break; | |||
| default: | |||
| return AVERROR(EINVAL); | |||
| } | |||
| return 0; | |||
| } | |||
| void avfilter_copy_buffer_ref_props(AVFilterBufferRef *dst, AVFilterBufferRef *src) | |||
| { | |||
| // copy common properties | |||
| dst->pts = src->pts; | |||
| dst->pos = src->pos; | |||
| switch (src->type) { | |||
| case AVMEDIA_TYPE_VIDEO: *dst->video = *src->video; break; | |||
| case AVMEDIA_TYPE_AUDIO: *dst->audio = *src->audio; break; | |||
| default: break; | |||
| } | |||
| } | |||
| #endif /* FF_API_AVFILTERBUFFER */ | |||
| @@ -137,80 +137,6 @@ int attribute_align_arg av_buffersink_get_samples(AVFilterContext *ctx, | |||
| return ret; | |||
| } | |||
| #if FF_API_AVFILTERBUFFER | |||
| FF_DISABLE_DEPRECATION_WARNINGS | |||
| static void compat_free_buffer(AVFilterBuffer *buf) | |||
| { | |||
| AVFrame *frame = buf->priv; | |||
| av_frame_free(&frame); | |||
| av_free(buf); | |||
| } | |||
| static int compat_read(AVFilterContext *ctx, | |||
| AVFilterBufferRef **pbuf, int nb_samples) | |||
| { | |||
| AVFilterBufferRef *buf; | |||
| AVFrame *frame; | |||
| int ret; | |||
| if (!pbuf) | |||
| return ff_poll_frame(ctx->inputs[0]); | |||
| frame = av_frame_alloc(); | |||
| if (!frame) | |||
| return AVERROR(ENOMEM); | |||
| if (!nb_samples) | |||
| ret = av_buffersink_get_frame(ctx, frame); | |||
| else | |||
| ret = av_buffersink_get_samples(ctx, frame, nb_samples); | |||
| if (ret < 0) | |||
| goto fail; | |||
| if (ctx->inputs[0]->type == AVMEDIA_TYPE_VIDEO) { | |||
| buf = avfilter_get_video_buffer_ref_from_arrays(frame->data, frame->linesize, | |||
| AV_PERM_READ, | |||
| frame->width, frame->height, | |||
| frame->format); | |||
| } else { | |||
| buf = avfilter_get_audio_buffer_ref_from_arrays(frame->extended_data, | |||
| frame->linesize[0], AV_PERM_READ, | |||
| frame->nb_samples, | |||
| frame->format, | |||
| frame->channel_layout); | |||
| } | |||
| if (!buf) { | |||
| ret = AVERROR(ENOMEM); | |||
| goto fail; | |||
| } | |||
| avfilter_copy_frame_props(buf, frame); | |||
| buf->buf->priv = frame; | |||
| buf->buf->free = compat_free_buffer; | |||
| *pbuf = buf; | |||
| return 0; | |||
| fail: | |||
| av_frame_free(&frame); | |||
| return ret; | |||
| } | |||
| int attribute_align_arg av_buffersink_read(AVFilterContext *ctx, AVFilterBufferRef **buf) | |||
| { | |||
| return compat_read(ctx, buf, 0); | |||
| } | |||
| int attribute_align_arg av_buffersink_read_samples(AVFilterContext *ctx, AVFilterBufferRef **buf, | |||
| int nb_samples) | |||
| { | |||
| return compat_read(ctx, buf, nb_samples); | |||
| } | |||
| FF_ENABLE_DEPRECATION_WARNINGS | |||
| #endif | |||
| static const AVFilterPad avfilter_vsink_buffer_inputs[] = { | |||
| { | |||
| .name = "default", | |||
| @@ -33,43 +33,6 @@ | |||
| * @{ | |||
| */ | |||
| #if FF_API_AVFILTERBUFFER | |||
| /** | |||
| * Get a buffer with filtered data from sink and put it in buf. | |||
| * | |||
| * @param ctx pointer to a context of a buffersink or abuffersink AVFilter. | |||
| * @param buf pointer to the buffer will be written here if buf is non-NULL. buf | |||
| * must be freed by the caller using avfilter_unref_buffer(). | |||
| * Buf may also be NULL to query whether a buffer is ready to be | |||
| * output. | |||
| * | |||
| * @return >= 0 in case of success, a negative AVERROR code in case of | |||
| * failure. | |||
| */ | |||
| attribute_deprecated | |||
| int av_buffersink_read(AVFilterContext *ctx, AVFilterBufferRef **buf); | |||
| /** | |||
| * Same as av_buffersink_read, but with the ability to specify the number of | |||
| * samples read. This function is less efficient than av_buffersink_read(), | |||
| * because it copies the data around. | |||
| * | |||
| * @param ctx pointer to a context of the abuffersink AVFilter. | |||
| * @param buf pointer to the buffer will be written here if buf is non-NULL. buf | |||
| * must be freed by the caller using avfilter_unref_buffer(). buf | |||
| * will contain exactly nb_samples audio samples, except at the end | |||
| * of stream, when it can contain less than nb_samples. | |||
| * Buf may also be NULL to query whether a buffer is ready to be | |||
| * output. | |||
| * | |||
| * @warning do not mix this function with av_buffersink_read(). Use only one or | |||
| * the other with a single sink, not both. | |||
| */ | |||
| attribute_deprecated | |||
| int av_buffersink_read_samples(AVFilterContext *ctx, AVFilterBufferRef **buf, | |||
| int nb_samples); | |||
| #endif | |||
| /** | |||
| * Get a frame with filtered data from sink and put it in frame. | |||
| * | |||
| @@ -145,114 +145,6 @@ int attribute_align_arg av_buffersrc_add_frame(AVFilterContext *ctx, | |||
| return 0; | |||
| } | |||
| #if FF_API_AVFILTERBUFFER | |||
| FF_DISABLE_DEPRECATION_WARNINGS | |||
| static void compat_free_buffer(void *opaque, uint8_t *data) | |||
| { | |||
| AVFilterBufferRef *buf = opaque; | |||
| avfilter_unref_buffer(buf); | |||
| } | |||
| static void compat_unref_buffer(void *opaque, uint8_t *data) | |||
| { | |||
| AVBufferRef *buf = opaque; | |||
| av_buffer_unref(&buf); | |||
| } | |||
| int av_buffersrc_buffer(AVFilterContext *ctx, AVFilterBufferRef *buf) | |||
| { | |||
| BufferSourceContext *s = ctx->priv; | |||
| AVFrame *frame = NULL; | |||
| AVBufferRef *dummy_buf = NULL; | |||
| int ret = 0, planes, i; | |||
| if (!buf) { | |||
| s->eof = 1; | |||
| return 0; | |||
| } else if (s->eof) | |||
| return AVERROR(EINVAL); | |||
| frame = av_frame_alloc(); | |||
| if (!frame) | |||
| return AVERROR(ENOMEM); | |||
| dummy_buf = av_buffer_create(NULL, 0, compat_free_buffer, buf, 0); | |||
| if (!dummy_buf) { | |||
| ret = AVERROR(ENOMEM); | |||
| goto fail; | |||
| } | |||
| if ((ret = avfilter_copy_buf_props(frame, buf)) < 0) | |||
| goto fail; | |||
| #define WRAP_PLANE(ref_out, data, data_size) \ | |||
| do { \ | |||
| AVBufferRef *dummy_ref = av_buffer_ref(dummy_buf); \ | |||
| if (!dummy_ref) { \ | |||
| ret = AVERROR(ENOMEM); \ | |||
| goto fail; \ | |||
| } \ | |||
| ref_out = av_buffer_create(data, data_size, compat_unref_buffer, \ | |||
| dummy_ref, 0); \ | |||
| if (!ref_out) { \ | |||
| av_buffer_unref(&dummy_ref); \ | |||
| av_frame_unref(frame); \ | |||
| ret = AVERROR(ENOMEM); \ | |||
| goto fail; \ | |||
| } \ | |||
| } while (0) | |||
| if (ctx->outputs[0]->type == AVMEDIA_TYPE_VIDEO) { | |||
| const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(frame->format); | |||
| planes = av_pix_fmt_count_planes(frame->format); | |||
| if (!desc || planes <= 0) { | |||
| ret = AVERROR(EINVAL); | |||
| goto fail; | |||
| } | |||
| for (i = 0; i < planes; i++) { | |||
| int v_shift = (i == 1 || i == 2) ? desc->log2_chroma_h : 0; | |||
| int plane_size = (frame->height >> v_shift) * frame->linesize[i]; | |||
| WRAP_PLANE(frame->buf[i], frame->data[i], plane_size); | |||
| } | |||
| } else { | |||
| int planar = av_sample_fmt_is_planar(frame->format); | |||
| int channels = av_get_channel_layout_nb_channels(frame->channel_layout); | |||
| planes = planar ? channels : 1; | |||
| if (planes > FF_ARRAY_ELEMS(frame->buf)) { | |||
| frame->nb_extended_buf = planes - FF_ARRAY_ELEMS(frame->buf); | |||
| frame->extended_buf = av_mallocz(sizeof(*frame->extended_buf) * | |||
| frame->nb_extended_buf); | |||
| if (!frame->extended_buf) { | |||
| ret = AVERROR(ENOMEM); | |||
| goto fail; | |||
| } | |||
| } | |||
| for (i = 0; i < FFMIN(planes, FF_ARRAY_ELEMS(frame->buf)); i++) | |||
| WRAP_PLANE(frame->buf[i], frame->extended_data[i], frame->linesize[0]); | |||
| for (i = 0; i < planes - FF_ARRAY_ELEMS(frame->buf); i++) | |||
| WRAP_PLANE(frame->extended_buf[i], | |||
| frame->extended_data[i + FF_ARRAY_ELEMS(frame->buf)], | |||
| frame->linesize[0]); | |||
| } | |||
| ret = av_buffersrc_add_frame(ctx, frame); | |||
| fail: | |||
| av_buffer_unref(&dummy_buf); | |||
| av_frame_free(&frame); | |||
| return ret; | |||
| } | |||
| FF_ENABLE_DEPRECATION_WARNINGS | |||
| #endif | |||
| static av_cold int init_video(AVFilterContext *ctx) | |||
| { | |||
| BufferSourceContext *c = ctx->priv; | |||
| @@ -34,21 +34,6 @@ | |||
| * @{ | |||
| */ | |||
| #if FF_API_AVFILTERBUFFER | |||
| /** | |||
| * Add a buffer to a filtergraph. | |||
| * | |||
| * @param ctx an instance of the buffersrc filter | |||
| * @param buf buffer containing frame data to be passed down the filtergraph. | |||
| * This function will take ownership of buf, the user must not free it. | |||
| * A NULL buf signals EOF -- i.e. no more frames will be sent to this filter. | |||
| * | |||
| * @deprecated use av_buffersrc_write_frame() or av_buffersrc_add_frame() | |||
| */ | |||
| attribute_deprecated | |||
| int av_buffersrc_buffer(AVFilterContext *ctx, AVFilterBufferRef *buf); | |||
| #endif | |||
| /** | |||
| * Add a frame to the buffer source. | |||
| * | |||
| @@ -135,11 +135,6 @@ struct AVFilterInternal { | |||
| avfilter_execute_func *execute; | |||
| }; | |||
| #if FF_API_AVFILTERBUFFER | |||
| /** default handler for freeing audio/video buffer when there are no references left */ | |||
| void ff_avfilter_default_free_buffer(AVFilterBuffer *buf); | |||
| #endif | |||
| /** Tell is a format is contained in the provided list terminated by -1. */ | |||
| int ff_fmt_is_in(int fmt, const int *fmts); | |||
| @@ -49,9 +49,6 @@ | |||
| * the public API and may change, break or disappear at any time. | |||
| */ | |||
| #ifndef FF_API_AVFILTERBUFFER | |||
| #define FF_API_AVFILTERBUFFER (LIBAVFILTER_VERSION_MAJOR < 6) | |||
| #endif | |||
| #ifndef FF_API_OLD_FILTER_OPTS | |||
| #define FF_API_OLD_FILTER_OPTS (LIBAVFILTER_VERSION_MAJOR < 6) | |||
| #endif | |||
| @@ -54,53 +54,6 @@ AVFrame *ff_default_get_video_buffer(AVFilterLink *link, int w, int h) | |||
| return frame; | |||
| } | |||
| #if FF_API_AVFILTERBUFFER | |||
| AVFilterBufferRef * | |||
| avfilter_get_video_buffer_ref_from_arrays(uint8_t *data[4], int linesize[4], int perms, | |||
| int w, int h, enum AVPixelFormat format) | |||
| { | |||
| AVFilterBuffer *pic = av_mallocz(sizeof(AVFilterBuffer)); | |||
| AVFilterBufferRef *picref = av_mallocz(sizeof(AVFilterBufferRef)); | |||
| if (!pic || !picref) | |||
| goto fail; | |||
| picref->buf = pic; | |||
| picref->buf->free = ff_avfilter_default_free_buffer; | |||
| if (!(picref->video = av_mallocz(sizeof(AVFilterBufferRefVideoProps)))) | |||
| goto fail; | |||
| pic->w = picref->video->w = w; | |||
| pic->h = picref->video->h = h; | |||
| /* make sure the buffer gets read permission or it's useless for output */ | |||
| picref->perms = perms | AV_PERM_READ; | |||
| pic->refcount = 1; | |||
| picref->type = AVMEDIA_TYPE_VIDEO; | |||
| pic->format = picref->format = format; | |||
| memcpy(pic->data, data, 4*sizeof(data[0])); | |||
| memcpy(pic->linesize, linesize, 4*sizeof(linesize[0])); | |||
| memcpy(picref->data, pic->data, sizeof(picref->data)); | |||
| memcpy(picref->linesize, pic->linesize, sizeof(picref->linesize)); | |||
| pic-> extended_data = pic->data; | |||
| picref->extended_data = picref->data; | |||
| picref->pts = AV_NOPTS_VALUE; | |||
| return picref; | |||
| fail: | |||
| if (picref && picref->video) | |||
| av_free(picref->video); | |||
| av_free(picref); | |||
| av_free(pic); | |||
| return NULL; | |||
| } | |||
| #endif | |||
| AVFrame *ff_get_video_buffer(AVFilterLink *link, int w, int h) | |||
| { | |||
| AVFrame *ret = NULL; | |||