diff options
Diffstat (limited to '')
| -rw-r--r-- | media/ffvpx/libavcodec/avcodec.c | 726 |
1 files changed, 726 insertions, 0 deletions
diff --git a/media/ffvpx/libavcodec/avcodec.c b/media/ffvpx/libavcodec/avcodec.c new file mode 100644 index 0000000000..a85d3c2309 --- /dev/null +++ b/media/ffvpx/libavcodec/avcodec.c @@ -0,0 +1,726 @@ +/* + * 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/fifo.h" +#include "libavutil/imgutils.h" +#include "libavutil/mem.h" +#include "libavutil/opt.h" +#include "libavutil/thread.h" +#include "avcodec.h" +#include "bsf.h" +#include "codec_internal.h" +#include "decode.h" +#include "encode.h" +#include "frame_thread_encoder.h" +#include "internal.h" +#include "thread.h" + +int avcodec_default_execute(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2), void *arg, int *ret, int count, int size) +{ + int i; + + for (i = 0; i < count; i++) { + int r = func(c, (char *)arg + i * size); + 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_mallocz(sizeof(*avci)); + 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; + } + +#if FF_API_OLD_CHANNEL_LAYOUT +FF_DISABLE_DEPRECATION_WARNINGS + /* compat wrapper for old-style callers */ + if (avctx->channel_layout && !avctx->channels) + avctx->channels = av_popcount64(avctx->channel_layout); + + if ((avctx->channels && avctx->ch_layout.nb_channels != avctx->channels) || + (avctx->channel_layout && (avctx->ch_layout.order != AV_CHANNEL_ORDER_NATIVE || + avctx->ch_layout.u.mask != avctx->channel_layout))) { + av_channel_layout_uninit(&avctx->ch_layout); + if (avctx->channel_layout) { + av_channel_layout_from_mask(&avctx->ch_layout, avctx->channel_layout); + } else { + avctx->ch_layout.order = AV_CHANNEL_ORDER_UNSPEC; + } + avctx->ch_layout.nb_channels = avctx->channels; + } +FF_ENABLE_DEPRECATION_WARNINGS +#endif + + /* 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_number = 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); + +#if FF_API_OLD_CHANNEL_LAYOUT +FF_DISABLE_DEPRECATION_WARNINGS + /* update the deprecated fields for old-style callers */ + avctx->channels = avctx->ch_layout.nb_channels; + avctx->channel_layout = avctx->ch_layout.order == AV_CHANNEL_ORDER_NATIVE ? + avctx->ch_layout.u.mask : 0; +FF_ENABLE_DEPRECATION_WARNINGS +#endif + + /* 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 FF_API_AVCTX_TIMEBASE + if (avctx->framerate.num > 0 && avctx->framerate.den > 0) + avctx->time_base = av_inv_q(av_mul_q(avctx->framerate, (AVRational){avctx->ticks_per_frame, 1})); +#endif + } + if (codec->priv_class) + av_assert0(*(const AVClass **)avctx->priv_data == codec->priv_class); + +end: + + return ret; +free_and_end: + avcodec_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; + } + if (avci->in_frame) + av_frame_unref(avci->in_frame); + if (avci->recon_frame) + av_frame_unref(avci->recon_frame); + } else { + av_packet_unref(avci->last_pkt_props); + while (av_fifo_read(avci->pkt_props, avci->last_pkt_props, 1) >= 0) + av_packet_unref(avci->last_pkt_props); + + av_packet_unref(avci->in_pkt); + + avctx->pts_correction_last_pts = + avctx->pts_correction_last_dts = INT64_MIN; + + av_bsf_flush(avci->bsf); + } + + avci->draining = 0; + avci->draining_done = 0; + avci->nb_draining_errors = 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 int avcodec_close(AVCodecContext *avctx) +{ + int i; + + if (!avctx) + return 0; + + 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); + if (avci->pkt_props) { + while (av_fifo_can_read(avci->pkt_props)) { + av_packet_unref(avci->last_pkt_props); + av_fifo_read(avci->pkt_props, avci->last_pkt_props, 1); + } + av_fifo_freep2(&avci->pkt_props); + } + 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); + + av_buffer_unref(&avci->pool); + + if (avctx->hwaccel && avctx->hwaccel->uninit) + avctx->hwaccel->uninit(avctx); + av_freep(&avci->hwaccel_priv_data); + + av_bsf_free(&avci->bsf); + + av_channel_layout_uninit(&avci->initial_ch_layout); + +#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; + + return 0; +} + +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->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); + } + { + char buf[512]; + int ret = av_channel_layout_describe(&enc->ch_layout, buf, sizeof(buf)); + if (ret >= 0) + av_bprintf(&bprint, "%s", buf); + } + 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); +} |