| /* | |
| * AVCodecContext functions for libavcodec | |
| * | |
| * This file is part of FFmpeg. | |
| * | |
| * 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. | |
| * | |
| * 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 FFmpeg; if not, write to the Free Software | |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
| */ | |
| /** | |
| * @file | |
| * AVCodecContext functions for libavcodec | |
| */ | |
| #include "config.h" | |
| #include "libavutil/avassert.h" | |
| #include "libavutil/avstring.h" | |
| #include "libavutil/bprint.h" | |
| #include "libavutil/channel_layout.h" | |
| #include "libavutil/emms.h" | |
| #include "libavutil/fifo.h" | |
| #include "libavutil/imgutils.h" | |
| #include "libavutil/mem.h" | |
| #include "libavutil/opt.h" | |
| #include "libavutil/thread.h" | |
| #include "avcodec.h" | |
| #include "avcodec_internal.h" | |
| #include "bsf.h" | |
| #include "codec_desc.h" | |
| #include "codec_internal.h" | |
| #include "decode.h" | |
| #include "encode.h" | |
| #include "frame_thread_encoder.h" | |
| #include "hwconfig.h" | |
| #include "internal.h" | |
| #include "refstruct.h" | |
| #include "thread.h" | |
| /** | |
| * Maximum size in bytes of extradata. | |
| * This value was chosen such that every bit of the buffer is | |
| * addressable by a 32-bit signed integer as used by get_bits. | |
| */ | |
| #define FF_MAX_EXTRADATA_SIZE ((1 << 28) - AV_INPUT_BUFFER_PADDING_SIZE) | |
| int avcodec_default_execute(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2), void *arg, int *ret, int count, int size) | |
| { | |
| size_t i; | |
| for (i = 0; i < count; i++) { | |
| size_t offset = i * size; | |
| int r = func(c, FF_PTR_ADD((char *)arg, offset)); | |
| if (ret) | |
| ret[i] = r; | |
| } | |
| emms_c(); | |
| return 0; | |
| } | |
| int avcodec_default_execute2(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2, int jobnr, int threadnr), void *arg, int *ret, int count) | |
| { | |
| int i; | |
| for (i = 0; i < count; i++) { | |
| int r = func(c, arg, i, 0); | |
| if (ret) | |
| ret[i] = r; | |
| } | |
| emms_c(); | |
| return 0; | |
| } | |
| static AVMutex codec_mutex = AV_MUTEX_INITIALIZER; | |
| static void lock_avcodec(const FFCodec *codec) | |
| { | |
| if (codec->caps_internal & FF_CODEC_CAP_NOT_INIT_THREADSAFE && codec->init) | |
| ff_mutex_lock(&codec_mutex); | |
| } | |
| static void unlock_avcodec(const FFCodec *codec) | |
| { | |
| if (codec->caps_internal & FF_CODEC_CAP_NOT_INIT_THREADSAFE && codec->init) | |
| ff_mutex_unlock(&codec_mutex); | |
| } | |
| static int64_t get_bit_rate(AVCodecContext *ctx) | |
| { | |
| int64_t bit_rate; | |
| int bits_per_sample; | |
| switch (ctx->codec_type) { | |
| case AVMEDIA_TYPE_VIDEO: | |
| case AVMEDIA_TYPE_DATA: | |
| case AVMEDIA_TYPE_SUBTITLE: | |
| case AVMEDIA_TYPE_ATTACHMENT: | |
| bit_rate = ctx->bit_rate; | |
| break; | |
| case AVMEDIA_TYPE_AUDIO: | |
| bits_per_sample = av_get_bits_per_sample(ctx->codec_id); | |
| if (bits_per_sample) { | |
| bit_rate = ctx->sample_rate * (int64_t)ctx->ch_layout.nb_channels; | |
| if (bit_rate > INT64_MAX / bits_per_sample) { | |
| bit_rate = 0; | |
| } else | |
| bit_rate *= bits_per_sample; | |
| } else | |
| bit_rate = ctx->bit_rate; | |
| break; | |
| default: | |
| bit_rate = 0; | |
| break; | |
| } | |
| return bit_rate; | |
| } | |
| int attribute_align_arg avcodec_open2(AVCodecContext *avctx, const AVCodec *codec, AVDictionary **options) | |
| { | |
| int ret = 0; | |
| AVCodecInternal *avci; | |
| const FFCodec *codec2; | |
| if (avcodec_is_open(avctx)) | |
| return 0; | |
| if (!codec && !avctx->codec) { | |
| av_log(avctx, AV_LOG_ERROR, "No codec provided to avcodec_open2()\n"); | |
| return AVERROR(EINVAL); | |
| } | |
| if (codec && avctx->codec && codec != avctx->codec) { | |
| av_log(avctx, AV_LOG_ERROR, "This AVCodecContext was allocated for %s, " | |
| "but %s passed to avcodec_open2()\n", avctx->codec->name, codec->name); | |
| return AVERROR(EINVAL); | |
| } | |
| if (!codec) | |
| codec = avctx->codec; | |
| codec2 = ffcodec(codec); | |
| if ((avctx->codec_type != AVMEDIA_TYPE_UNKNOWN && avctx->codec_type != codec->type) || | |
| (avctx->codec_id != AV_CODEC_ID_NONE && avctx->codec_id != codec->id)) { | |
| av_log(avctx, AV_LOG_ERROR, "Codec type or id mismatches\n"); | |
| return AVERROR(EINVAL); | |
| } | |
| avctx->codec_type = codec->type; | |
| avctx->codec_id = codec->id; | |
| avctx->codec = codec; | |
| if (avctx->extradata_size < 0 || avctx->extradata_size >= FF_MAX_EXTRADATA_SIZE) | |
| return AVERROR(EINVAL); | |
| avci = av_codec_is_decoder(codec) ? | |
| ff_decode_internal_alloc() : | |
| ff_encode_internal_alloc(); | |
| if (!avci) { | |
| ret = AVERROR(ENOMEM); | |
| goto end; | |
| } | |
| avctx->internal = avci; | |
| avci->buffer_frame = av_frame_alloc(); | |
| avci->buffer_pkt = av_packet_alloc(); | |
| if (!avci->buffer_frame || !avci->buffer_pkt) { | |
| ret = AVERROR(ENOMEM); | |
| goto free_and_end; | |
| } | |
| if (codec2->priv_data_size > 0) { | |
| if (!avctx->priv_data) { | |
| avctx->priv_data = av_mallocz(codec2->priv_data_size); | |
| if (!avctx->priv_data) { | |
| ret = AVERROR(ENOMEM); | |
| goto free_and_end; | |
| } | |
| if (codec->priv_class) { | |
| *(const AVClass **)avctx->priv_data = codec->priv_class; | |
| av_opt_set_defaults(avctx->priv_data); | |
| } | |
| } | |
| if (codec->priv_class && (ret = av_opt_set_dict(avctx->priv_data, options)) < 0) | |
| goto free_and_end; | |
| } else { | |
| avctx->priv_data = NULL; | |
| } | |
| if ((ret = av_opt_set_dict(avctx, options)) < 0) | |
| goto free_and_end; | |
| if (avctx->codec_whitelist && av_match_list(codec->name, avctx->codec_whitelist, ',') <= 0) { | |
| av_log(avctx, AV_LOG_ERROR, "Codec (%s) not on whitelist \'%s\'\n", codec->name, avctx->codec_whitelist); | |
| ret = AVERROR(EINVAL); | |
| goto free_and_end; | |
| } | |
| // only call ff_set_dimensions() for non H.264/VP6F/DXV codecs so as not to overwrite previously setup dimensions | |
| if (!(avctx->coded_width && avctx->coded_height && avctx->width && avctx->height && | |
| (avctx->codec_id == AV_CODEC_ID_H264 || avctx->codec_id == AV_CODEC_ID_VP6F || avctx->codec_id == AV_CODEC_ID_DXV))) { | |
| if (avctx->coded_width && avctx->coded_height) | |
| ret = ff_set_dimensions(avctx, avctx->coded_width, avctx->coded_height); | |
| else if (avctx->width && avctx->height) | |
| ret = ff_set_dimensions(avctx, avctx->width, avctx->height); | |
| if (ret < 0) | |
| goto free_and_end; | |
| } | |
| if ((avctx->coded_width || avctx->coded_height || avctx->width || avctx->height) | |
| && ( av_image_check_size2(avctx->coded_width, avctx->coded_height, avctx->max_pixels, AV_PIX_FMT_NONE, 0, avctx) < 0 | |
| || av_image_check_size2(avctx->width, avctx->height, avctx->max_pixels, AV_PIX_FMT_NONE, 0, avctx) < 0)) { | |
| av_log(avctx, AV_LOG_WARNING, "Ignoring invalid width/height values\n"); | |
| ff_set_dimensions(avctx, 0, 0); | |
| } | |
| if (avctx->width > 0 && avctx->height > 0) { | |
| if (av_image_check_sar(avctx->width, avctx->height, | |
| avctx->sample_aspect_ratio) < 0) { | |
| av_log(avctx, AV_LOG_WARNING, "ignoring invalid SAR: %u/%u\n", | |
| avctx->sample_aspect_ratio.num, | |
| avctx->sample_aspect_ratio.den); | |
| avctx->sample_aspect_ratio = (AVRational){ 0, 1 }; | |
| } | |
| } | |
| if (avctx->sample_rate < 0) { | |
| av_log(avctx, AV_LOG_ERROR, "Invalid sample rate: %d\n", avctx->sample_rate); | |
| ret = AVERROR(EINVAL); | |
| goto free_and_end; | |
| } | |
| if (avctx->block_align < 0) { | |
| av_log(avctx, AV_LOG_ERROR, "Invalid block align: %d\n", avctx->block_align); | |
| ret = AVERROR(EINVAL); | |
| goto free_and_end; | |
| } | |
| /* AV_CODEC_CAP_CHANNEL_CONF is a decoder-only flag; so the code below | |
| * in particular checks that nb_channels is set for all audio encoders. */ | |
| if (avctx->codec_type == AVMEDIA_TYPE_AUDIO && !avctx->ch_layout.nb_channels | |
| && !(codec->capabilities & AV_CODEC_CAP_CHANNEL_CONF)) { | |
| av_log(avctx, AV_LOG_ERROR, "%s requires channel layout to be set\n", | |
| av_codec_is_decoder(codec) ? "Decoder" : "Encoder"); | |
| ret = AVERROR(EINVAL); | |
| goto free_and_end; | |
| } | |
| if (avctx->ch_layout.nb_channels && !av_channel_layout_check(&avctx->ch_layout)) { | |
| av_log(avctx, AV_LOG_ERROR, "Invalid channel layout\n"); | |
| ret = AVERROR(EINVAL); | |
| goto free_and_end; | |
| } | |
| if (avctx->ch_layout.nb_channels > FF_SANE_NB_CHANNELS) { | |
| av_log(avctx, AV_LOG_ERROR, "Too many channels: %d\n", avctx->ch_layout.nb_channels); | |
| ret = AVERROR(EINVAL); | |
| goto free_and_end; | |
| } | |
| avctx->frame_num = 0; | |
| avctx->codec_descriptor = avcodec_descriptor_get(avctx->codec_id); | |
| if ((avctx->codec->capabilities & AV_CODEC_CAP_EXPERIMENTAL) && | |
| avctx->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) { | |
| const char *codec_string = av_codec_is_encoder(codec) ? "encoder" : "decoder"; | |
| const AVCodec *codec2; | |
| av_log(avctx, AV_LOG_ERROR, | |
| "The %s '%s' is experimental but experimental codecs are not enabled, " | |
| "add '-strict %d' if you want to use it.\n", | |
| codec_string, codec->name, FF_COMPLIANCE_EXPERIMENTAL); | |
| codec2 = av_codec_is_encoder(codec) ? avcodec_find_encoder(codec->id) : avcodec_find_decoder(codec->id); | |
| if (!(codec2->capabilities & AV_CODEC_CAP_EXPERIMENTAL)) | |
| av_log(avctx, AV_LOG_ERROR, "Alternatively use the non experimental %s '%s'.\n", | |
| codec_string, codec2->name); | |
| ret = AVERROR_EXPERIMENTAL; | |
| goto free_and_end; | |
| } | |
| if (avctx->codec_type == AVMEDIA_TYPE_AUDIO && | |
| (!avctx->time_base.num || !avctx->time_base.den)) { | |
| avctx->time_base.num = 1; | |
| avctx->time_base.den = avctx->sample_rate; | |
| } | |
| if (av_codec_is_encoder(avctx->codec)) | |
| ret = ff_encode_preinit(avctx); | |
| else | |
| ret = ff_decode_preinit(avctx); | |
| if (ret < 0) | |
| goto free_and_end; | |
| if (HAVE_THREADS && !avci->frame_thread_encoder) { | |
| /* Frame-threaded decoders call FFCodec.init for their child contexts. */ | |
| lock_avcodec(codec2); | |
| ret = ff_thread_init(avctx); | |
| unlock_avcodec(codec2); | |
| if (ret < 0) { | |
| goto free_and_end; | |
| } | |
| } | |
| if (!HAVE_THREADS && !(codec2->caps_internal & FF_CODEC_CAP_AUTO_THREADS)) | |
| avctx->thread_count = 1; | |
| if (!(avctx->active_thread_type & FF_THREAD_FRAME) || | |
| avci->frame_thread_encoder) { | |
| if (codec2->init) { | |
| lock_avcodec(codec2); | |
| ret = codec2->init(avctx); | |
| unlock_avcodec(codec2); | |
| if (ret < 0) { | |
| avci->needs_close = codec2->caps_internal & FF_CODEC_CAP_INIT_CLEANUP; | |
| goto free_and_end; | |
| } | |
| } | |
| avci->needs_close = 1; | |
| } | |
| ret=0; | |
| if (av_codec_is_decoder(avctx->codec)) { | |
| if (!avctx->bit_rate) | |
| avctx->bit_rate = get_bit_rate(avctx); | |
| /* validate channel layout from the decoder */ | |
| if ((avctx->ch_layout.nb_channels && !av_channel_layout_check(&avctx->ch_layout)) || | |
| avctx->ch_layout.nb_channels > FF_SANE_NB_CHANNELS) { | |
| ret = AVERROR(EINVAL); | |
| goto free_and_end; | |
| } | |
| if (avctx->bits_per_coded_sample < 0) { | |
| ret = AVERROR(EINVAL); | |
| goto free_and_end; | |
| } | |
| } | |
| if (codec->priv_class) | |
| av_assert0(*(const AVClass **)avctx->priv_data == codec->priv_class); | |
| end: | |
| return ret; | |
| free_and_end: | |
| ff_codec_close(avctx); | |
| goto end; | |
| } | |
| void avcodec_flush_buffers(AVCodecContext *avctx) | |
| { | |
| AVCodecInternal *avci = avctx->internal; | |
| if (av_codec_is_encoder(avctx->codec)) { | |
| int caps = avctx->codec->capabilities; | |
| if (!(caps & AV_CODEC_CAP_ENCODER_FLUSH)) { | |
| // Only encoders that explicitly declare support for it can be | |
| // flushed. Otherwise, this is a no-op. | |
| av_log(avctx, AV_LOG_WARNING, "Ignoring attempt to flush encoder " | |
| "that doesn't support it\n"); | |
| return; | |
| } | |
| ff_encode_flush_buffers(avctx); | |
| } else | |
| ff_decode_flush_buffers(avctx); | |
| avci->draining = 0; | |
| avci->draining_done = 0; | |
| av_frame_unref(avci->buffer_frame); | |
| av_packet_unref(avci->buffer_pkt); | |
| if (HAVE_THREADS && avctx->active_thread_type & FF_THREAD_FRAME) | |
| ff_thread_flush(avctx); | |
| else if (ffcodec(avctx->codec)->flush) | |
| ffcodec(avctx->codec)->flush(avctx); | |
| } | |
| void avsubtitle_free(AVSubtitle *sub) | |
| { | |
| int i; | |
| for (i = 0; i < sub->num_rects; i++) { | |
| AVSubtitleRect *const rect = sub->rects[i]; | |
| av_freep(&rect->data[0]); | |
| av_freep(&rect->data[1]); | |
| av_freep(&rect->data[2]); | |
| av_freep(&rect->data[3]); | |
| av_freep(&rect->text); | |
| av_freep(&rect->ass); | |
| av_freep(&sub->rects[i]); | |
| } | |
| av_freep(&sub->rects); | |
| memset(sub, 0, sizeof(*sub)); | |
| } | |
| av_cold void ff_codec_close(AVCodecContext *avctx) | |
| { | |
| int i; | |
| if (!avctx) | |
| return; | |
| if (avcodec_is_open(avctx)) { | |
| AVCodecInternal *avci = avctx->internal; | |
| if (CONFIG_FRAME_THREAD_ENCODER && | |
| avci->frame_thread_encoder && avctx->thread_count > 1) { | |
| ff_frame_thread_encoder_free(avctx); | |
| } | |
| if (HAVE_THREADS && avci->thread_ctx) | |
| ff_thread_free(avctx); | |
| if (avci->needs_close && ffcodec(avctx->codec)->close) | |
| ffcodec(avctx->codec)->close(avctx); | |
| avci->byte_buffer_size = 0; | |
| av_freep(&avci->byte_buffer); | |
| av_frame_free(&avci->buffer_frame); | |
| av_packet_free(&avci->buffer_pkt); | |
| av_packet_free(&avci->last_pkt_props); | |
| av_packet_free(&avci->in_pkt); | |
| av_frame_free(&avci->in_frame); | |
| av_frame_free(&avci->recon_frame); | |
| ff_refstruct_unref(&avci->pool); | |
| ff_hwaccel_uninit(avctx); | |
| av_bsf_free(&avci->bsf); | |
| #if FF_API_DROPCHANGED | |
| av_channel_layout_uninit(&avci->initial_ch_layout); | |
| #endif | |
| #if CONFIG_LCMS2 | |
| ff_icc_context_uninit(&avci->icc); | |
| #endif | |
| av_freep(&avctx->internal); | |
| } | |
| for (i = 0; i < avctx->nb_coded_side_data; i++) | |
| av_freep(&avctx->coded_side_data[i].data); | |
| av_freep(&avctx->coded_side_data); | |
| avctx->nb_coded_side_data = 0; | |
| av_buffer_unref(&avctx->hw_frames_ctx); | |
| av_buffer_unref(&avctx->hw_device_ctx); | |
| if (avctx->priv_data && avctx->codec && avctx->codec->priv_class) | |
| av_opt_free(avctx->priv_data); | |
| av_opt_free(avctx); | |
| av_freep(&avctx->priv_data); | |
| if (av_codec_is_encoder(avctx->codec)) { | |
| av_freep(&avctx->extradata); | |
| avctx->extradata_size = 0; | |
| } else if (av_codec_is_decoder(avctx->codec)) | |
| av_freep(&avctx->subtitle_header); | |
| avctx->codec = NULL; | |
| avctx->active_thread_type = 0; | |
| } | |
| #if FF_API_AVCODEC_CLOSE | |
| int avcodec_close(AVCodecContext *avctx) | |
| { | |
| ff_codec_close(avctx); | |
| return 0; | |
| } | |
| #endif | |
| static const char *unknown_if_null(const char *str) | |
| { | |
| return str ? str : "unknown"; | |
| } | |
| void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode) | |
| { | |
| const char *codec_type; | |
| const char *codec_name; | |
| const char *profile = NULL; | |
| AVBPrint bprint; | |
| int64_t bitrate; | |
| int new_line = 0; | |
| AVRational display_aspect_ratio; | |
| const char *separator = enc->dump_separator ? (const char *)enc->dump_separator : ", "; | |
| const char *str; | |
| if (!buf || buf_size <= 0) | |
| return; | |
| av_bprint_init_for_buffer(&bprint, buf, buf_size); | |
| codec_type = av_get_media_type_string(enc->codec_type); | |
| codec_name = avcodec_get_name(enc->codec_id); | |
| profile = avcodec_profile_name(enc->codec_id, enc->profile); | |
| av_bprintf(&bprint, "%s: %s", codec_type ? codec_type : "unknown", | |
| codec_name); | |
| buf[0] ^= 'a' ^ 'A'; /* first letter in uppercase */ | |
| if (enc->codec && strcmp(enc->codec->name, codec_name)) | |
| av_bprintf(&bprint, " (%s)", enc->codec->name); | |
| if (profile) | |
| av_bprintf(&bprint, " (%s)", profile); | |
| if ( enc->codec_type == AVMEDIA_TYPE_VIDEO | |
| && av_log_get_level() >= AV_LOG_VERBOSE | |
| && enc->refs) | |
| av_bprintf(&bprint, ", %d reference frame%s", | |
| enc->refs, enc->refs > 1 ? "s" : ""); | |
| if (enc->codec_tag) | |
| av_bprintf(&bprint, " (%s / 0x%04X)", | |
| av_fourcc2str(enc->codec_tag), enc->codec_tag); | |
| switch (enc->codec_type) { | |
| case AVMEDIA_TYPE_VIDEO: | |
| { | |
| unsigned len; | |
| av_bprintf(&bprint, "%s%s", separator, | |
| enc->pix_fmt == AV_PIX_FMT_NONE ? "none" : | |
| unknown_if_null(av_get_pix_fmt_name(enc->pix_fmt))); | |
| av_bprint_chars(&bprint, '(', 1); | |
| len = bprint.len; | |
| /* The following check ensures that '(' has been written | |
| * and therefore allows us to erase it if it turns out | |
| * to be unnecessary. */ | |
| if (!av_bprint_is_complete(&bprint)) | |
| return; | |
| if (enc->bits_per_raw_sample && enc->pix_fmt != AV_PIX_FMT_NONE && | |
| enc->bits_per_raw_sample < av_pix_fmt_desc_get(enc->pix_fmt)->comp[0].depth) | |
| av_bprintf(&bprint, "%d bpc, ", enc->bits_per_raw_sample); | |
| if (enc->color_range != AVCOL_RANGE_UNSPECIFIED && | |
| (str = av_color_range_name(enc->color_range))) | |
| av_bprintf(&bprint, "%s, ", str); | |
| if (enc->colorspace != AVCOL_SPC_UNSPECIFIED || | |
| enc->color_primaries != AVCOL_PRI_UNSPECIFIED || | |
| enc->color_trc != AVCOL_TRC_UNSPECIFIED) { | |
| const char *col = unknown_if_null(av_color_space_name(enc->colorspace)); | |
| const char *pri = unknown_if_null(av_color_primaries_name(enc->color_primaries)); | |
| const char *trc = unknown_if_null(av_color_transfer_name(enc->color_trc)); | |
| if (strcmp(col, pri) || strcmp(col, trc)) { | |
| new_line = 1; | |
| av_bprintf(&bprint, "%s/%s/%s, ", col, pri, trc); | |
| } else | |
| av_bprintf(&bprint, "%s, ", col); | |
| } | |
| if (enc->field_order != AV_FIELD_UNKNOWN) { | |
| const char *field_order = "progressive"; | |
| if (enc->field_order == AV_FIELD_TT) | |
| field_order = "top first"; | |
| else if (enc->field_order == AV_FIELD_BB) | |
| field_order = "bottom first"; | |
| else if (enc->field_order == AV_FIELD_TB) | |
| field_order = "top coded first (swapped)"; | |
| else if (enc->field_order == AV_FIELD_BT) | |
| field_order = "bottom coded first (swapped)"; | |
| av_bprintf(&bprint, "%s, ", field_order); | |
| } | |
| if (av_log_get_level() >= AV_LOG_VERBOSE && | |
| enc->chroma_sample_location != AVCHROMA_LOC_UNSPECIFIED && | |
| (str = av_chroma_location_name(enc->chroma_sample_location))) | |
| av_bprintf(&bprint, "%s, ", str); | |
| if (len == bprint.len) { | |
| bprint.str[len - 1] = '\0'; | |
| bprint.len--; | |
| } else { | |
| if (bprint.len - 2 < bprint.size) { | |
| /* Erase the last ", " */ | |
| bprint.len -= 2; | |
| bprint.str[bprint.len] = '\0'; | |
| } | |
| av_bprint_chars(&bprint, ')', 1); | |
| } | |
| } | |
| if (enc->width) { | |
| av_bprintf(&bprint, "%s%dx%d", new_line ? separator : ", ", | |
| enc->width, enc->height); | |
| if (av_log_get_level() >= AV_LOG_VERBOSE && | |
| enc->coded_width && enc->coded_height && | |
| (enc->width != enc->coded_width || | |
| enc->height != enc->coded_height)) | |
| av_bprintf(&bprint, " (%dx%d)", | |
| enc->coded_width, enc->coded_height); | |
| if (enc->sample_aspect_ratio.num) { | |
| av_reduce(&display_aspect_ratio.num, &display_aspect_ratio.den, | |
| enc->width * (int64_t)enc->sample_aspect_ratio.num, | |
| enc->height * (int64_t)enc->sample_aspect_ratio.den, | |
| 1024 * 1024); | |
| av_bprintf(&bprint, " [SAR %d:%d DAR %d:%d]", | |
| enc->sample_aspect_ratio.num, enc->sample_aspect_ratio.den, | |
| display_aspect_ratio.num, display_aspect_ratio.den); | |
| } | |
| if (av_log_get_level() >= AV_LOG_DEBUG) { | |
| int g = av_gcd(enc->time_base.num, enc->time_base.den); | |
| av_bprintf(&bprint, ", %d/%d", | |
| enc->time_base.num / g, enc->time_base.den / g); | |
| } | |
| } | |
| if (encode) { | |
| av_bprintf(&bprint, ", q=%d-%d", enc->qmin, enc->qmax); | |
| } else { | |
| if (enc->properties & FF_CODEC_PROPERTY_CLOSED_CAPTIONS) | |
| av_bprintf(&bprint, ", Closed Captions"); | |
| if (enc->properties & FF_CODEC_PROPERTY_FILM_GRAIN) | |
| av_bprintf(&bprint, ", Film Grain"); | |
| if (enc->properties & FF_CODEC_PROPERTY_LOSSLESS) | |
| av_bprintf(&bprint, ", lossless"); | |
| } | |
| break; | |
| case AVMEDIA_TYPE_AUDIO: | |
| av_bprintf(&bprint, "%s", separator); | |
| if (enc->sample_rate) { | |
| av_bprintf(&bprint, "%d Hz, ", enc->sample_rate); | |
| } | |
| av_channel_layout_describe_bprint(&enc->ch_layout, &bprint); | |
| if (enc->sample_fmt != AV_SAMPLE_FMT_NONE && | |
| (str = av_get_sample_fmt_name(enc->sample_fmt))) { | |
| av_bprintf(&bprint, ", %s", str); | |
| } | |
| if ( enc->bits_per_raw_sample > 0 | |
| && enc->bits_per_raw_sample != av_get_bytes_per_sample(enc->sample_fmt) * 8) | |
| av_bprintf(&bprint, " (%d bit)", enc->bits_per_raw_sample); | |
| if (av_log_get_level() >= AV_LOG_VERBOSE) { | |
| if (enc->initial_padding) | |
| av_bprintf(&bprint, ", delay %d", enc->initial_padding); | |
| if (enc->trailing_padding) | |
| av_bprintf(&bprint, ", padding %d", enc->trailing_padding); | |
| } | |
| break; | |
| case AVMEDIA_TYPE_DATA: | |
| if (av_log_get_level() >= AV_LOG_DEBUG) { | |
| int g = av_gcd(enc->time_base.num, enc->time_base.den); | |
| if (g) | |
| av_bprintf(&bprint, ", %d/%d", | |
| enc->time_base.num / g, enc->time_base.den / g); | |
| } | |
| break; | |
| case AVMEDIA_TYPE_SUBTITLE: | |
| if (enc->width) | |
| av_bprintf(&bprint, ", %dx%d", enc->width, enc->height); | |
| break; | |
| default: | |
| return; | |
| } | |
| if (encode) { | |
| if (enc->flags & AV_CODEC_FLAG_PASS1) | |
| av_bprintf(&bprint, ", pass 1"); | |
| if (enc->flags & AV_CODEC_FLAG_PASS2) | |
| av_bprintf(&bprint, ", pass 2"); | |
| } | |
| bitrate = get_bit_rate(enc); | |
| if (bitrate != 0) { | |
| av_bprintf(&bprint, ", %"PRId64" kb/s", bitrate / 1000); | |
| } else if (enc->rc_max_rate > 0) { | |
| av_bprintf(&bprint, ", max. %"PRId64" kb/s", enc->rc_max_rate / 1000); | |
| } | |
| } | |
| int avcodec_is_open(AVCodecContext *s) | |
| { | |
| return !!s->internal; | |
| } | |
| int attribute_align_arg avcodec_receive_frame(AVCodecContext *avctx, AVFrame *frame) | |
| { | |
| av_frame_unref(frame); | |
| if (av_codec_is_decoder(avctx->codec)) | |
| return ff_decode_receive_frame(avctx, frame); | |
| return ff_encode_receive_frame(avctx, frame); | |
| } |