#include "libavutil/samplefmt.h"
#include "libavutil/dict.h"
#include "avcodec.h"
+#include "decode.h"
#include "libavutil/opt.h"
#include "me_cmp.h"
#include "mpegvideo.h"
int av_codec_is_decoder(const AVCodec *codec)
{
- return codec && (codec->decode || codec->send_packet);
+ return codec && (codec->decode || codec->receive_frame);
}
av_cold void avcodec_register(AVCodec *codec)
return ret;
}
-static int update_frame_pool(AVCodecContext *avctx, AVFrame *frame)
-{
- FramePool *pool = avctx->internal->pool;
- int i, ret;
-
- switch (avctx->codec_type) {
- case AVMEDIA_TYPE_VIDEO: {
- uint8_t *data[4];
- int linesize[4];
- int size[4] = { 0 };
- int w = frame->width;
- int h = frame->height;
- int tmpsize, unaligned;
-
- if (pool->format == frame->format &&
- pool->width == frame->width && pool->height == frame->height)
- return 0;
-
- avcodec_align_dimensions2(avctx, &w, &h, pool->stride_align);
-
- do {
- // NOTE: do not align linesizes individually, this breaks e.g. assumptions
- // that linesize[0] == 2*linesize[1] in the MPEG-encoder for 4:2:2
- av_image_fill_linesizes(linesize, avctx->pix_fmt, w);
- // increase alignment of w for next try (rhs gives the lowest bit set in w)
- w += w & ~(w - 1);
-
- unaligned = 0;
- for (i = 0; i < 4; i++)
- unaligned |= linesize[i] % pool->stride_align[i];
- } while (unaligned);
-
- tmpsize = av_image_fill_pointers(data, avctx->pix_fmt, h,
- NULL, linesize);
- if (tmpsize < 0)
- return -1;
-
- for (i = 0; i < 3 && data[i + 1]; i++)
- size[i] = data[i + 1] - data[i];
- size[i] = tmpsize - (data[i] - data[0]);
-
- for (i = 0; i < 4; i++) {
- av_buffer_pool_uninit(&pool->pools[i]);
- pool->linesize[i] = linesize[i];
- if (size[i]) {
- pool->pools[i] = av_buffer_pool_init(size[i] + 16, NULL);
- if (!pool->pools[i]) {
- ret = AVERROR(ENOMEM);
- goto fail;
- }
- }
- }
- pool->format = frame->format;
- pool->width = frame->width;
- pool->height = frame->height;
-
- break;
- }
- case AVMEDIA_TYPE_AUDIO: {
- int ch = av_get_channel_layout_nb_channels(frame->channel_layout);
- int planar = av_sample_fmt_is_planar(frame->format);
- int planes = planar ? ch : 1;
-
- if (pool->format == frame->format && pool->planes == planes &&
- pool->channels == ch && frame->nb_samples == pool->samples)
- return 0;
-
- av_buffer_pool_uninit(&pool->pools[0]);
- ret = av_samples_get_buffer_size(&pool->linesize[0], ch,
- frame->nb_samples, frame->format, 0);
- if (ret < 0)
- goto fail;
-
- pool->pools[0] = av_buffer_pool_init(pool->linesize[0], NULL);
- if (!pool->pools[0]) {
- ret = AVERROR(ENOMEM);
- goto fail;
- }
-
- pool->format = frame->format;
- pool->planes = planes;
- pool->channels = ch;
- pool->samples = frame->nb_samples;
- break;
- }
- default: av_assert0(0);
- }
- return 0;
-fail:
- for (i = 0; i < 4; i++)
- av_buffer_pool_uninit(&pool->pools[i]);
- pool->format = -1;
- pool->planes = pool->channels = pool->samples = 0;
- pool->width = pool->height = 0;
- return ret;
-}
-
-static int audio_get_buffer(AVCodecContext *avctx, AVFrame *frame)
-{
- FramePool *pool = avctx->internal->pool;
- int planes = pool->planes;
- int i;
-
- frame->linesize[0] = pool->linesize[0];
-
- if (planes > AV_NUM_DATA_POINTERS) {
- frame->extended_data = av_mallocz(planes * sizeof(*frame->extended_data));
- frame->nb_extended_buf = planes - AV_NUM_DATA_POINTERS;
- frame->extended_buf = av_mallocz(frame->nb_extended_buf *
- sizeof(*frame->extended_buf));
- if (!frame->extended_data || !frame->extended_buf) {
- av_freep(&frame->extended_data);
- av_freep(&frame->extended_buf);
- return AVERROR(ENOMEM);
- }
- } else
- frame->extended_data = frame->data;
-
- for (i = 0; i < FFMIN(planes, AV_NUM_DATA_POINTERS); i++) {
- frame->buf[i] = av_buffer_pool_get(pool->pools[0]);
- if (!frame->buf[i])
- goto fail;
- frame->extended_data[i] = frame->data[i] = frame->buf[i]->data;
- }
- for (i = 0; i < frame->nb_extended_buf; i++) {
- frame->extended_buf[i] = av_buffer_pool_get(pool->pools[0]);
- if (!frame->extended_buf[i])
- goto fail;
- frame->extended_data[i + AV_NUM_DATA_POINTERS] = frame->extended_buf[i]->data;
- }
-
- if (avctx->debug & FF_DEBUG_BUFFERS)
- av_log(avctx, AV_LOG_DEBUG, "default_get_buffer called on frame %p", frame);
-
- return 0;
-fail:
- av_frame_unref(frame);
- return AVERROR(ENOMEM);
-}
-
-static int video_get_buffer(AVCodecContext *s, AVFrame *pic)
-{
- FramePool *pool = s->internal->pool;
- int i;
-
- if (pic->data[0]) {
- av_log(s, AV_LOG_ERROR, "pic->data[0]!=NULL in avcodec_default_get_buffer\n");
- return -1;
- }
-
- memset(pic->data, 0, sizeof(pic->data));
- pic->extended_data = pic->data;
-
- for (i = 0; i < 4 && pool->pools[i]; i++) {
- pic->linesize[i] = pool->linesize[i];
-
- pic->buf[i] = av_buffer_pool_get(pool->pools[i]);
- if (!pic->buf[i])
- goto fail;
-
- pic->data[i] = pic->buf[i]->data;
- }
- for (; i < AV_NUM_DATA_POINTERS; i++) {
- pic->data[i] = NULL;
- pic->linesize[i] = 0;
- }
- if (pic->data[1] && !pic->data[2])
- avpriv_set_systematic_pal2((uint32_t *)pic->data[1], s->pix_fmt);
-
- if (s->debug & FF_DEBUG_BUFFERS)
- av_log(s, AV_LOG_DEBUG, "default_get_buffer called on pic %p\n", pic);
-
- return 0;
-fail:
- av_frame_unref(pic);
- return AVERROR(ENOMEM);
-}
-
-int avcodec_default_get_buffer2(AVCodecContext *avctx, AVFrame *frame, int flags)
-{
- int ret;
-
- if (avctx->hw_frames_ctx)
- return av_hwframe_get_buffer(avctx->hw_frames_ctx, frame, 0);
-
- if ((ret = update_frame_pool(avctx, frame)) < 0)
- return ret;
-
- switch (avctx->codec_type) {
- case AVMEDIA_TYPE_VIDEO:
- return video_get_buffer(avctx, frame);
- case AVMEDIA_TYPE_AUDIO:
- return audio_get_buffer(avctx, frame);
- default:
- return -1;
- }
-}
-
-int ff_decode_frame_props(AVCodecContext *avctx, AVFrame *frame)
-{
- AVPacket *pkt = avctx->internal->pkt;
- int i;
- struct {
- enum AVPacketSideDataType packet;
- enum AVFrameSideDataType frame;
- } sd[] = {
- { AV_PKT_DATA_REPLAYGAIN , AV_FRAME_DATA_REPLAYGAIN },
- { AV_PKT_DATA_DISPLAYMATRIX, AV_FRAME_DATA_DISPLAYMATRIX },
- { AV_PKT_DATA_STEREO3D, AV_FRAME_DATA_STEREO3D },
- { AV_PKT_DATA_AUDIO_SERVICE_TYPE, AV_FRAME_DATA_AUDIO_SERVICE_TYPE },
- };
-
- frame->color_primaries = avctx->color_primaries;
- frame->color_trc = avctx->color_trc;
- frame->colorspace = avctx->colorspace;
- frame->color_range = avctx->color_range;
- frame->chroma_location = avctx->chroma_sample_location;
-
- frame->reordered_opaque = avctx->reordered_opaque;
- if (!pkt) {
-#if FF_API_PKT_PTS
-FF_DISABLE_DEPRECATION_WARNINGS
- frame->pkt_pts = AV_NOPTS_VALUE;
-FF_ENABLE_DEPRECATION_WARNINGS
-#endif
- frame->pts = AV_NOPTS_VALUE;
- return 0;
- }
-
-#if FF_API_PKT_PTS
-FF_DISABLE_DEPRECATION_WARNINGS
- frame->pkt_pts = pkt->pts;
-FF_ENABLE_DEPRECATION_WARNINGS
-#endif
- frame->pts = pkt->pts;
-
- for (i = 0; i < FF_ARRAY_ELEMS(sd); i++) {
- int size;
- uint8_t *packet_sd = av_packet_get_side_data(pkt, sd[i].packet, &size);
- if (packet_sd) {
- AVFrameSideData *frame_sd = av_frame_new_side_data(frame,
- sd[i].frame,
- size);
- if (!frame_sd)
- return AVERROR(ENOMEM);
-
- memcpy(frame_sd->data, packet_sd, size);
- }
- }
-
- return 0;
-}
-
-int ff_get_buffer(AVCodecContext *avctx, AVFrame *frame, int flags)
-{
- const AVHWAccel *hwaccel = avctx->hwaccel;
- int override_dimensions = 1;
- int ret;
-
- switch (avctx->codec_type) {
- case AVMEDIA_TYPE_VIDEO:
- if (frame->width <= 0 || frame->height <= 0) {
- frame->width = FFMAX(avctx->width, avctx->coded_width);
- frame->height = FFMAX(avctx->height, avctx->coded_height);
- override_dimensions = 0;
- }
- if (frame->format < 0)
- frame->format = avctx->pix_fmt;
- if (!frame->sample_aspect_ratio.num)
- frame->sample_aspect_ratio = avctx->sample_aspect_ratio;
-
- if (av_image_check_sar(frame->width, frame->height,
- frame->sample_aspect_ratio) < 0) {
- av_log(avctx, AV_LOG_WARNING, "ignoring invalid SAR: %u/%u\n",
- frame->sample_aspect_ratio.num,
- frame->sample_aspect_ratio.den);
- frame->sample_aspect_ratio = (AVRational){ 0, 1 };
- }
-
- if ((ret = av_image_check_size(avctx->width, avctx->height, 0, avctx)) < 0)
- return ret;
- break;
- case AVMEDIA_TYPE_AUDIO:
- if (!frame->sample_rate)
- frame->sample_rate = avctx->sample_rate;
- if (frame->format < 0)
- frame->format = avctx->sample_fmt;
- if (!frame->channel_layout) {
- if (avctx->channel_layout) {
- if (av_get_channel_layout_nb_channels(avctx->channel_layout) !=
- avctx->channels) {
- av_log(avctx, AV_LOG_ERROR, "Inconsistent channel "
- "configuration.\n");
- return AVERROR(EINVAL);
- }
-
- frame->channel_layout = avctx->channel_layout;
- } else {
- if (avctx->channels > FF_SANE_NB_CHANNELS) {
- av_log(avctx, AV_LOG_ERROR, "Too many channels: %d.\n",
- avctx->channels);
- return AVERROR(ENOSYS);
- }
-
- frame->channel_layout = av_get_default_channel_layout(avctx->channels);
- if (!frame->channel_layout)
- frame->channel_layout = (1ULL << avctx->channels) - 1;
- }
- }
- break;
- default: return AVERROR(EINVAL);
- }
-
- ret = ff_decode_frame_props(avctx, frame);
- if (ret < 0)
- return ret;
-
- if (hwaccel) {
- if (hwaccel->alloc_frame) {
- ret = hwaccel->alloc_frame(avctx, frame);
- goto end;
- }
- } else
- avctx->sw_pix_fmt = avctx->pix_fmt;
-
- ret = avctx->get_buffer2(avctx, frame, flags);
-
-end:
- if (avctx->codec_type == AVMEDIA_TYPE_VIDEO && !override_dimensions) {
- frame->width = avctx->width;
- frame->height = avctx->height;
- }
-
- return ret;
-}
-
-int ff_reget_buffer(AVCodecContext *avctx, AVFrame *frame)
-{
- AVFrame *tmp;
- int ret;
-
- av_assert0(avctx->codec_type == AVMEDIA_TYPE_VIDEO);
-
- if (!frame->data[0])
- return ff_get_buffer(avctx, frame, AV_GET_BUFFER_FLAG_REF);
-
- if (av_frame_is_writable(frame))
- return ff_decode_frame_props(avctx, frame);
-
- tmp = av_frame_alloc();
- if (!tmp)
- return AVERROR(ENOMEM);
-
- av_frame_move_ref(tmp, frame);
-
- ret = ff_get_buffer(avctx, frame, AV_GET_BUFFER_FLAG_REF);
- if (ret < 0) {
- av_frame_free(&tmp);
- return ret;
- }
-
- av_frame_copy(frame, tmp);
- av_frame_free(&tmp);
-
- return 0;
-}
-
int avcodec_default_execute(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2), void *arg, int *ret, int count, int size)
{
int i;
return 0;
}
-static int is_hwaccel_pix_fmt(enum AVPixelFormat pix_fmt)
-{
- const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
- return desc->flags & AV_PIX_FMT_FLAG_HWACCEL;
-}
-
-enum AVPixelFormat avcodec_default_get_format(struct AVCodecContext *s, const enum AVPixelFormat *fmt)
-{
- while (*fmt != AV_PIX_FMT_NONE && is_hwaccel_pix_fmt(*fmt))
- ++fmt;
- return fmt[0];
-}
-
-static AVHWAccel *find_hwaccel(enum AVCodecID codec_id,
- enum AVPixelFormat pix_fmt)
-{
- AVHWAccel *hwaccel = NULL;
-
- while ((hwaccel = av_hwaccel_next(hwaccel)))
- if (hwaccel->id == codec_id
- && hwaccel->pix_fmt == pix_fmt)
- return hwaccel;
- return NULL;
-}
-
-static int setup_hwaccel(AVCodecContext *avctx,
- const enum AVPixelFormat fmt,
- const char *name)
-{
- AVHWAccel *hwa = find_hwaccel(avctx->codec_id, fmt);
- int ret = 0;
-
- if (!hwa) {
- av_log(avctx, AV_LOG_ERROR,
- "Could not find an AVHWAccel for the pixel format: %s",
- name);
- return AVERROR(ENOENT);
- }
-
- if (hwa->priv_data_size) {
- avctx->internal->hwaccel_priv_data = av_mallocz(hwa->priv_data_size);
- if (!avctx->internal->hwaccel_priv_data)
- return AVERROR(ENOMEM);
- }
-
- if (hwa->init) {
- ret = hwa->init(avctx);
- if (ret < 0) {
- av_freep(&avctx->internal->hwaccel_priv_data);
- return ret;
- }
- }
-
- avctx->hwaccel = hwa;
-
- return 0;
-}
-
-int ff_get_format(AVCodecContext *avctx, const enum AVPixelFormat *fmt)
-{
- const AVPixFmtDescriptor *desc;
- enum AVPixelFormat *choices;
- enum AVPixelFormat ret;
- unsigned n = 0;
-
- while (fmt[n] != AV_PIX_FMT_NONE)
- ++n;
-
- av_assert0(n >= 1);
- avctx->sw_pix_fmt = fmt[n - 1];
- av_assert2(!is_hwaccel_pix_fmt(avctx->sw_pix_fmt));
-
- choices = av_malloc_array(n + 1, sizeof(*choices));
- if (!choices)
- return AV_PIX_FMT_NONE;
-
- memcpy(choices, fmt, (n + 1) * sizeof(*choices));
-
- for (;;) {
- if (avctx->hwaccel && avctx->hwaccel->uninit)
- avctx->hwaccel->uninit(avctx);
- av_freep(&avctx->internal->hwaccel_priv_data);
- avctx->hwaccel = NULL;
-
- av_buffer_unref(&avctx->hw_frames_ctx);
-
- ret = avctx->get_format(avctx, choices);
-
- desc = av_pix_fmt_desc_get(ret);
- if (!desc) {
- ret = AV_PIX_FMT_NONE;
- break;
- }
-
- if (!(desc->flags & AV_PIX_FMT_FLAG_HWACCEL))
- break;
-
- if (avctx->hw_frames_ctx) {
- AVHWFramesContext *hw_frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
- if (hw_frames_ctx->format != ret) {
- av_log(avctx, AV_LOG_ERROR, "Format returned from get_buffer() "
- "does not match the format of provided AVHWFramesContext\n");
- ret = AV_PIX_FMT_NONE;
- break;
- }
- }
-
- if (!setup_hwaccel(avctx, ret, desc->name))
- break;
-
- /* Remove failed hwaccel from choices */
- for (n = 0; choices[n] != ret; n++)
- av_assert0(choices[n] != AV_PIX_FMT_NONE);
-
- do
- choices[n] = choices[n + 1];
- while (choices[n++] != AV_PIX_FMT_NONE);
- }
-
- av_freep(&choices);
- return ret;
-}
-
int attribute_align_arg avcodec_open2(AVCodecContext *avctx, const AVCodec *codec, AVDictionary **options)
{
int ret = 0;
goto free_and_end;
}
+ avctx->internal->compat_decode_frame = av_frame_alloc();
+ if (!avctx->internal->compat_decode_frame) {
+ ret = AVERROR(ENOMEM);
+ goto free_and_end;
+ }
+
avctx->internal->buffer_frame = av_frame_alloc();
if (!avctx->internal->buffer_frame) {
ret = AVERROR(ENOMEM);
goto free_and_end;
}
+ avctx->internal->ds.in_pkt = av_packet_alloc();
+ if (!avctx->internal->ds.in_pkt) {
+ ret = AVERROR(ENOMEM);
+ goto free_and_end;
+ }
+
+ avctx->internal->last_pkt_props = av_packet_alloc();
+ if (!avctx->internal->last_pkt_props) {
+ ret = AVERROR(ENOMEM);
+ goto free_and_end;
+ }
+
if (codec->priv_data_size > 0) {
if (!avctx->priv_data) {
avctx->priv_data = av_mallocz(codec->priv_data_size);
av_freep(&avctx->priv_data);
if (avctx->internal) {
av_frame_free(&avctx->internal->to_free);
+ av_frame_free(&avctx->internal->compat_decode_frame);
av_frame_free(&avctx->internal->buffer_frame);
av_packet_free(&avctx->internal->buffer_pkt);
+ av_packet_free(&avctx->internal->last_pkt_props);
+
+ av_packet_free(&avctx->internal->ds.in_pkt);
+
av_freep(&avctx->internal->pool);
}
av_freep(&avctx->internal);
goto end;
}
-int ff_alloc_packet(AVPacket *avpkt, int size)
-{
- if (size > INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE)
- return AVERROR(EINVAL);
-
- if (avpkt->data) {
- AVBufferRef *buf = avpkt->buf;
-
- if (avpkt->size < size)
- return AVERROR(EINVAL);
-
- av_init_packet(avpkt);
- avpkt->buf = buf;
- avpkt->size = size;
- return 0;
- } else {
- return av_new_packet(avpkt, size);
- }
-}
-
-/**
- * Pad last frame with silence.
- */
-static int pad_last_frame(AVCodecContext *s, AVFrame **dst, const AVFrame *src)
-{
- AVFrame *frame = NULL;
- int ret;
-
- if (!(frame = av_frame_alloc()))
- return AVERROR(ENOMEM);
-
- frame->format = src->format;
- frame->channel_layout = src->channel_layout;
- frame->nb_samples = s->frame_size;
- ret = av_frame_get_buffer(frame, 32);
- if (ret < 0)
- goto fail;
-
- ret = av_frame_copy_props(frame, src);
- if (ret < 0)
- goto fail;
-
- if ((ret = av_samples_copy(frame->extended_data, src->extended_data, 0, 0,
- src->nb_samples, s->channels, s->sample_fmt)) < 0)
- goto fail;
- if ((ret = av_samples_set_silence(frame->extended_data, src->nb_samples,
- frame->nb_samples - src->nb_samples,
- s->channels, s->sample_fmt)) < 0)
- goto fail;
-
- *dst = frame;
-
- return 0;
-
-fail:
- av_frame_free(&frame);
- return ret;
-}
-
-int attribute_align_arg avcodec_encode_audio2(AVCodecContext *avctx,
- AVPacket *avpkt,
- const AVFrame *frame,
- int *got_packet_ptr)
-{
- AVFrame tmp;
- AVFrame *padded_frame = NULL;
- int ret;
- int user_packet = !!avpkt->data;
-
- *got_packet_ptr = 0;
-
- if (!avctx->codec->encode2) {
- av_log(avctx, AV_LOG_ERROR, "This encoder requires using the avcodec_send_frame() API.\n");
- return AVERROR(ENOSYS);
- }
-
- if (!(avctx->codec->capabilities & AV_CODEC_CAP_DELAY) && !frame) {
- av_packet_unref(avpkt);
- av_init_packet(avpkt);
- return 0;
- }
-
- /* ensure that extended_data is properly set */
- if (frame && !frame->extended_data) {
- if (av_sample_fmt_is_planar(avctx->sample_fmt) &&
- avctx->channels > AV_NUM_DATA_POINTERS) {
- av_log(avctx, AV_LOG_ERROR, "Encoding to a planar sample format, "
- "with more than %d channels, but extended_data is not set.\n",
- AV_NUM_DATA_POINTERS);
- return AVERROR(EINVAL);
- }
- av_log(avctx, AV_LOG_WARNING, "extended_data is not set.\n");
-
- tmp = *frame;
- tmp.extended_data = tmp.data;
- frame = &tmp;
- }
-
- /* extract audio service type metadata */
- if (frame) {
- AVFrameSideData *sd = av_frame_get_side_data(frame, AV_FRAME_DATA_AUDIO_SERVICE_TYPE);
- if (sd && sd->size >= sizeof(enum AVAudioServiceType))
- avctx->audio_service_type = *(enum AVAudioServiceType*)sd->data;
- }
-
- /* check for valid frame size */
- if (frame) {
- if (avctx->codec->capabilities & AV_CODEC_CAP_SMALL_LAST_FRAME) {
- if (frame->nb_samples > avctx->frame_size)
- return AVERROR(EINVAL);
- } else if (!(avctx->codec->capabilities & AV_CODEC_CAP_VARIABLE_FRAME_SIZE)) {
- if (frame->nb_samples < avctx->frame_size &&
- !avctx->internal->last_audio_frame) {
- ret = pad_last_frame(avctx, &padded_frame, frame);
- if (ret < 0)
- return ret;
-
- frame = padded_frame;
- avctx->internal->last_audio_frame = 1;
- }
-
- if (frame->nb_samples != avctx->frame_size) {
- ret = AVERROR(EINVAL);
- goto end;
- }
- }
- }
-
- ret = avctx->codec->encode2(avctx, avpkt, frame, got_packet_ptr);
- if (!ret) {
- if (*got_packet_ptr) {
- if (!(avctx->codec->capabilities & AV_CODEC_CAP_DELAY)) {
- if (avpkt->pts == AV_NOPTS_VALUE)
- avpkt->pts = frame->pts;
- if (!avpkt->duration)
- avpkt->duration = ff_samples_to_time_base(avctx,
- frame->nb_samples);
- }
- avpkt->dts = avpkt->pts;
- } else {
- avpkt->size = 0;
- }
-
- if (!user_packet && avpkt->size) {
- ret = av_buffer_realloc(&avpkt->buf, avpkt->size);
- if (ret >= 0)
- avpkt->data = avpkt->buf->data;
- }
-
- avctx->frame_number++;
- }
-
- if (ret < 0 || !*got_packet_ptr) {
- av_packet_unref(avpkt);
- av_init_packet(avpkt);
- goto end;
- }
-
- /* NOTE: if we add any audio encoders which output non-keyframe packets,
- * this needs to be moved to the encoders, but for now we can do it
- * here to simplify things */
- avpkt->flags |= AV_PKT_FLAG_KEY;
-
-end:
- av_frame_free(&padded_frame);
-
-#if FF_API_AUDIOENC_DELAY
- avctx->delay = avctx->initial_padding;
-#endif
-
- return ret;
-}
-
-int attribute_align_arg avcodec_encode_video2(AVCodecContext *avctx,
- AVPacket *avpkt,
- const AVFrame *frame,
- int *got_packet_ptr)
-{
- int ret;
- int user_packet = !!avpkt->data;
-
- *got_packet_ptr = 0;
-
- if (!avctx->codec->encode2) {
- av_log(avctx, AV_LOG_ERROR, "This encoder requires using the avcodec_send_frame() API.\n");
- return AVERROR(ENOSYS);
- }
-
- if (!(avctx->codec->capabilities & AV_CODEC_CAP_DELAY) && !frame) {
- av_packet_unref(avpkt);
- av_init_packet(avpkt);
- avpkt->size = 0;
- return 0;
- }
-
- if (av_image_check_size(avctx->width, avctx->height, 0, avctx))
- return AVERROR(EINVAL);
-
- av_assert0(avctx->codec->encode2);
-
- ret = avctx->codec->encode2(avctx, avpkt, frame, got_packet_ptr);
- if (!ret) {
- if (!*got_packet_ptr)
- avpkt->size = 0;
- else if (!(avctx->codec->capabilities & AV_CODEC_CAP_DELAY))
- avpkt->pts = avpkt->dts = frame->pts;
-
- if (!user_packet && avpkt->size) {
- ret = av_buffer_realloc(&avpkt->buf, avpkt->size);
- if (ret >= 0)
- avpkt->data = avpkt->buf->data;
- }
-
- avctx->frame_number++;
- }
-
- if (ret < 0 || !*got_packet_ptr)
- av_packet_unref(avpkt);
-
- emms_c();
- return ret;
-}
-
-int avcodec_encode_subtitle(AVCodecContext *avctx, uint8_t *buf, int buf_size,
- const AVSubtitle *sub)
-{
- int ret;
- if (sub->start_display_time) {
- av_log(avctx, AV_LOG_ERROR, "start_display_time must be 0.\n");
- return -1;
- }
- if (sub->num_rects == 0 || !sub->rects)
- return -1;
- ret = avctx->codec->encode_sub(avctx, buf, buf_size, sub);
- avctx->frame_number++;
- return ret;
-}
-
-static int apply_param_change(AVCodecContext *avctx, AVPacket *avpkt)
-{
- int size = 0, ret;
- const uint8_t *data;
- uint32_t flags;
-
- data = av_packet_get_side_data(avpkt, AV_PKT_DATA_PARAM_CHANGE, &size);
- if (!data)
- return 0;
-
- if (!(avctx->codec->capabilities & AV_CODEC_CAP_PARAM_CHANGE)) {
- av_log(avctx, AV_LOG_ERROR, "This decoder does not support parameter "
- "changes, but PARAM_CHANGE side data was sent to it.\n");
- ret = AVERROR(EINVAL);
- goto fail2;
- }
-
- if (size < 4)
- goto fail;
-
- flags = bytestream_get_le32(&data);
- size -= 4;
-
- if (flags & AV_SIDE_DATA_PARAM_CHANGE_CHANNEL_COUNT) {
- if (size < 4)
- goto fail;
- avctx->channels = bytestream_get_le32(&data);
- size -= 4;
- }
- if (flags & AV_SIDE_DATA_PARAM_CHANGE_CHANNEL_LAYOUT) {
- if (size < 8)
- goto fail;
- avctx->channel_layout = bytestream_get_le64(&data);
- size -= 8;
- }
- if (flags & AV_SIDE_DATA_PARAM_CHANGE_SAMPLE_RATE) {
- if (size < 4)
- goto fail;
- avctx->sample_rate = bytestream_get_le32(&data);
- size -= 4;
- }
- if (flags & AV_SIDE_DATA_PARAM_CHANGE_DIMENSIONS) {
- if (size < 8)
- goto fail;
- avctx->width = bytestream_get_le32(&data);
- avctx->height = bytestream_get_le32(&data);
- size -= 8;
- ret = ff_set_dimensions(avctx, avctx->width, avctx->height);
- if (ret < 0)
- goto fail2;
- }
-
- return 0;
-fail:
- av_log(avctx, AV_LOG_ERROR, "PARAM_CHANGE side data too small.\n");
- ret = AVERROR_INVALIDDATA;
-fail2:
- if (ret < 0) {
- av_log(avctx, AV_LOG_ERROR, "Error applying parameter changes.\n");
- if (avctx->err_recognition & AV_EF_EXPLODE)
- return ret;
- }
- return 0;
-}
-
-static int unrefcount_frame(AVCodecInternal *avci, AVFrame *frame)
-{
- int ret;
-
- /* move the original frame to our backup */
- av_frame_unref(avci->to_free);
- av_frame_move_ref(avci->to_free, frame);
-
- /* now copy everything except the AVBufferRefs back
- * note that we make a COPY of the side data, so calling av_frame_free() on
- * the caller's frame will work properly */
- ret = av_frame_copy_props(frame, avci->to_free);
- if (ret < 0)
- return ret;
-
- memcpy(frame->data, avci->to_free->data, sizeof(frame->data));
- memcpy(frame->linesize, avci->to_free->linesize, sizeof(frame->linesize));
- if (avci->to_free->extended_data != avci->to_free->data) {
- int planes = av_get_channel_layout_nb_channels(avci->to_free->channel_layout);
- int size = planes * sizeof(*frame->extended_data);
-
- if (!size) {
- av_frame_unref(frame);
- return AVERROR_BUG;
- }
-
- frame->extended_data = av_malloc(size);
- if (!frame->extended_data) {
- av_frame_unref(frame);
- return AVERROR(ENOMEM);
- }
- memcpy(frame->extended_data, avci->to_free->extended_data,
- size);
- } else
- frame->extended_data = frame->data;
-
- frame->format = avci->to_free->format;
- frame->width = avci->to_free->width;
- frame->height = avci->to_free->height;
- frame->channel_layout = avci->to_free->channel_layout;
- frame->nb_samples = avci->to_free->nb_samples;
-
- return 0;
-}
-
-int attribute_align_arg avcodec_decode_video2(AVCodecContext *avctx, AVFrame *picture,
- int *got_picture_ptr,
- AVPacket *avpkt)
-{
- AVCodecInternal *avci = avctx->internal;
- int ret;
-
- *got_picture_ptr = 0;
- if ((avctx->coded_width || avctx->coded_height) && av_image_check_size(avctx->coded_width, avctx->coded_height, 0, avctx))
- return -1;
-
- if (!avctx->codec->decode) {
- av_log(avctx, AV_LOG_ERROR, "This decoder requires using the avcodec_send_packet() API.\n");
- return AVERROR(ENOSYS);
- }
-
- avctx->internal->pkt = avpkt;
- ret = apply_param_change(avctx, avpkt);
- if (ret < 0)
- return ret;
-
- av_frame_unref(picture);
-
- if ((avctx->codec->capabilities & AV_CODEC_CAP_DELAY) || avpkt->size ||
- (avctx->active_thread_type & FF_THREAD_FRAME)) {
- if (HAVE_THREADS && avctx->active_thread_type & FF_THREAD_FRAME)
- ret = ff_thread_decode_frame(avctx, picture, got_picture_ptr,
- avpkt);
- else {
- ret = avctx->codec->decode(avctx, picture, got_picture_ptr,
- avpkt);
- if (!(avctx->codec->caps_internal & FF_CODEC_CAP_SETS_PKT_DTS))
- picture->pkt_dts = avpkt->dts;
- /* get_buffer is supposed to set frame parameters */
- if (!(avctx->codec->capabilities & AV_CODEC_CAP_DR1)) {
- picture->sample_aspect_ratio = avctx->sample_aspect_ratio;
- picture->width = avctx->width;
- picture->height = avctx->height;
- picture->format = avctx->pix_fmt;
- }
- }
-
- emms_c(); //needed to avoid an emms_c() call before every return;
-
- if (*got_picture_ptr) {
- if (!avctx->refcounted_frames) {
- int err = unrefcount_frame(avci, picture);
- if (err < 0)
- return err;
- }
-
- avctx->frame_number++;
- } else
- av_frame_unref(picture);
- } else
- ret = 0;
-
-#if FF_API_AVCTX_TIMEBASE
- if (avctx->framerate.num > 0 && avctx->framerate.den > 0)
- avctx->time_base = av_inv_q(avctx->framerate);
-#endif
-
- return ret;
-}
-
-int attribute_align_arg avcodec_decode_audio4(AVCodecContext *avctx,
- AVFrame *frame,
- int *got_frame_ptr,
- AVPacket *avpkt)
-{
- AVCodecInternal *avci = avctx->internal;
- int ret = 0;
-
- *got_frame_ptr = 0;
-
- if (!avctx->codec->decode) {
- av_log(avctx, AV_LOG_ERROR, "This decoder requires using the avcodec_send_packet() API.\n");
- return AVERROR(ENOSYS);
- }
-
- avctx->internal->pkt = avpkt;
-
- if (!avpkt->data && avpkt->size) {
- av_log(avctx, AV_LOG_ERROR, "invalid packet: NULL data, size != 0\n");
- return AVERROR(EINVAL);
- }
-
- ret = apply_param_change(avctx, avpkt);
- if (ret < 0)
- return ret;
-
- av_frame_unref(frame);
-
- if ((avctx->codec->capabilities & AV_CODEC_CAP_DELAY) || avpkt->size) {
- ret = avctx->codec->decode(avctx, frame, got_frame_ptr, avpkt);
- if (ret >= 0 && *got_frame_ptr) {
- avctx->frame_number++;
- frame->pkt_dts = avpkt->dts;
- if (frame->format == AV_SAMPLE_FMT_NONE)
- frame->format = avctx->sample_fmt;
-
- if (!avctx->refcounted_frames) {
- int err = unrefcount_frame(avci, frame);
- if (err < 0)
- return err;
- }
- } else
- av_frame_unref(frame);
- }
-
-
- return ret;
-}
-
-int avcodec_decode_subtitle2(AVCodecContext *avctx, AVSubtitle *sub,
- int *got_sub_ptr,
- AVPacket *avpkt)
-{
- int ret;
-
- avctx->internal->pkt = avpkt;
- *got_sub_ptr = 0;
- ret = avctx->codec->decode(avctx, sub, got_sub_ptr, avpkt);
- if (*got_sub_ptr)
- avctx->frame_number++;
- return ret;
-}
-
void avsubtitle_free(AVSubtitle *sub)
{
int i;
memset(sub, 0, sizeof(AVSubtitle));
}
-static int do_decode(AVCodecContext *avctx, AVPacket *pkt)
-{
- int got_frame;
- int ret;
-
- av_assert0(!avctx->internal->buffer_frame->buf[0]);
-
- if (!pkt)
- pkt = avctx->internal->buffer_pkt;
-
- // This is the lesser evil. The field is for compatibility with legacy users
- // of the legacy API, and users using the new API should not be forced to
- // even know about this field.
- avctx->refcounted_frames = 1;
-
- // Some codecs (at least wma lossless) will crash when feeding drain packets
- // after EOF was signaled.
- if (avctx->internal->draining_done)
- return AVERROR_EOF;
-
- if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
- ret = avcodec_decode_video2(avctx, avctx->internal->buffer_frame,
- &got_frame, pkt);
- if (ret >= 0)
- ret = pkt->size;
- } else if (avctx->codec_type == AVMEDIA_TYPE_AUDIO) {
- ret = avcodec_decode_audio4(avctx, avctx->internal->buffer_frame,
- &got_frame, pkt);
- } else {
- ret = AVERROR(EINVAL);
- }
-
- if (ret < 0)
- return ret;
-
- if (avctx->internal->draining && !got_frame)
- avctx->internal->draining_done = 1;
-
- if (ret >= pkt->size) {
- av_packet_unref(avctx->internal->buffer_pkt);
- } else {
- int consumed = ret;
-
- if (pkt != avctx->internal->buffer_pkt) {
- av_packet_unref(avctx->internal->buffer_pkt);
- if ((ret = av_packet_ref(avctx->internal->buffer_pkt, pkt)) < 0)
- return ret;
- }
-
- avctx->internal->buffer_pkt->data += consumed;
- avctx->internal->buffer_pkt->size -= consumed;
- avctx->internal->buffer_pkt->pts = AV_NOPTS_VALUE;
- avctx->internal->buffer_pkt->dts = AV_NOPTS_VALUE;
- }
-
- if (got_frame)
- av_assert0(avctx->internal->buffer_frame->buf[0]);
-
- return 0;
-}
-
-int attribute_align_arg avcodec_send_packet(AVCodecContext *avctx, const AVPacket *avpkt)
-{
- int ret;
-
- if (!avcodec_is_open(avctx) || !av_codec_is_decoder(avctx->codec))
- return AVERROR(EINVAL);
-
- if (avctx->internal->draining)
- return AVERROR_EOF;
-
- if (!avpkt || !avpkt->size) {
- avctx->internal->draining = 1;
- avpkt = NULL;
-
- if (!(avctx->codec->capabilities & AV_CODEC_CAP_DELAY))
- return 0;
- }
-
- if (avctx->codec->send_packet) {
- if (avpkt) {
- ret = apply_param_change(avctx, (AVPacket *)avpkt);
- if (ret < 0)
- return ret;
- }
- return avctx->codec->send_packet(avctx, avpkt);
- }
-
- // Emulation via old API. Assume avpkt is likely not refcounted, while
- // decoder output is always refcounted, and avoid copying.
-
- if (avctx->internal->buffer_pkt->size || avctx->internal->buffer_frame->buf[0])
- return AVERROR(EAGAIN);
-
- // The goal is decoding the first frame of the packet without using memcpy,
- // because the common case is having only 1 frame per packet (especially
- // with video, but audio too). In other cases, it can't be avoided, unless
- // the user is feeding refcounted packets.
- return do_decode(avctx, (AVPacket *)avpkt);
-}
-
-int attribute_align_arg avcodec_receive_frame(AVCodecContext *avctx, AVFrame *frame)
-{
- int ret;
-
- av_frame_unref(frame);
-
- if (!avcodec_is_open(avctx) || !av_codec_is_decoder(avctx->codec))
- return AVERROR(EINVAL);
-
- if (avctx->codec->receive_frame) {
- if (avctx->internal->draining && !(avctx->codec->capabilities & AV_CODEC_CAP_DELAY))
- return AVERROR_EOF;
- return avctx->codec->receive_frame(avctx, frame);
- }
-
- // Emulation via old API.
-
- if (!avctx->internal->buffer_frame->buf[0]) {
- if (!avctx->internal->buffer_pkt->size && !avctx->internal->draining)
- return AVERROR(EAGAIN);
-
- while (1) {
- if ((ret = do_decode(avctx, avctx->internal->buffer_pkt)) < 0) {
- av_packet_unref(avctx->internal->buffer_pkt);
- return ret;
- }
- // Some audio decoders may consume partial data without returning
- // a frame (fate-wmapro-2ch). There is no way to make the caller
- // call avcodec_receive_frame() again without returning a frame,
- // so try to decode more in these cases.
- if (avctx->internal->buffer_frame->buf[0] ||
- !avctx->internal->buffer_pkt->size)
- break;
- }
- }
-
- if (!avctx->internal->buffer_frame->buf[0])
- return avctx->internal->draining ? AVERROR_EOF : AVERROR(EAGAIN);
-
- av_frame_move_ref(frame, avctx->internal->buffer_frame);
- return 0;
-}
-
-static int do_encode(AVCodecContext *avctx, const AVFrame *frame, int *got_packet)
-{
- int ret;
- *got_packet = 0;
-
- av_packet_unref(avctx->internal->buffer_pkt);
- avctx->internal->buffer_pkt_valid = 0;
-
- if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
- ret = avcodec_encode_video2(avctx, avctx->internal->buffer_pkt,
- frame, got_packet);
- } else if (avctx->codec_type == AVMEDIA_TYPE_AUDIO) {
- ret = avcodec_encode_audio2(avctx, avctx->internal->buffer_pkt,
- frame, got_packet);
- } else {
- ret = AVERROR(EINVAL);
- }
-
- if (ret >= 0 && *got_packet) {
- // Encoders must always return ref-counted buffers.
- // Side-data only packets have no data and can be not ref-counted.
- av_assert0(!avctx->internal->buffer_pkt->data || avctx->internal->buffer_pkt->buf);
- avctx->internal->buffer_pkt_valid = 1;
- ret = 0;
- } else {
- av_packet_unref(avctx->internal->buffer_pkt);
- }
-
- return ret;
-}
-
-int attribute_align_arg avcodec_send_frame(AVCodecContext *avctx, const AVFrame *frame)
-{
- if (!avcodec_is_open(avctx) || !av_codec_is_encoder(avctx->codec))
- return AVERROR(EINVAL);
-
- if (avctx->internal->draining)
- return AVERROR_EOF;
-
- if (!frame) {
- avctx->internal->draining = 1;
-
- if (!(avctx->codec->capabilities & AV_CODEC_CAP_DELAY))
- return 0;
- }
-
- if (avctx->codec->send_frame)
- return avctx->codec->send_frame(avctx, frame);
-
- // Emulation via old API. Do it here instead of avcodec_receive_packet, because:
- // 1. if the AVFrame is not refcounted, the copying will be much more
- // expensive than copying the packet data
- // 2. assume few users use non-refcounted AVPackets, so usually no copy is
- // needed
-
- if (avctx->internal->buffer_pkt_valid)
- return AVERROR(EAGAIN);
-
- return do_encode(avctx, frame, &(int){0});
-}
-
-int attribute_align_arg avcodec_receive_packet(AVCodecContext *avctx, AVPacket *avpkt)
-{
- av_packet_unref(avpkt);
-
- if (!avcodec_is_open(avctx) || !av_codec_is_encoder(avctx->codec))
- return AVERROR(EINVAL);
-
- if (avctx->codec->receive_packet) {
- if (avctx->internal->draining && !(avctx->codec->capabilities & AV_CODEC_CAP_DELAY))
- return AVERROR_EOF;
- return avctx->codec->receive_packet(avctx, avpkt);
- }
-
- // Emulation via old API.
-
- if (!avctx->internal->buffer_pkt_valid) {
- int got_packet;
- int ret;
- if (!avctx->internal->draining)
- return AVERROR(EAGAIN);
- ret = do_encode(avctx, NULL, &got_packet);
- if (ret < 0)
- return ret;
- if (ret >= 0 && !got_packet)
- return AVERROR_EOF;
- }
-
- av_packet_move_ref(avpkt, avctx->internal->buffer_pkt);
- avctx->internal->buffer_pkt_valid = 0;
- return 0;
-}
-
av_cold int avcodec_close(AVCodecContext *avctx)
{
int i;
if (avctx->codec && avctx->codec->close)
avctx->codec->close(avctx);
av_frame_free(&avctx->internal->to_free);
+ av_frame_free(&avctx->internal->compat_decode_frame);
av_frame_free(&avctx->internal->buffer_frame);
av_packet_free(&avctx->internal->buffer_pkt);
+ av_packet_free(&avctx->internal->last_pkt_props);
+
+ av_packet_free(&avctx->internal->ds.in_pkt);
+
for (i = 0; i < FF_ARRAY_ELEMS(pool->pools); i++)
av_buffer_pool_uninit(&pool->pools[i]);
av_freep(&avctx->internal->pool);
avctx->hwaccel->uninit(avctx);
av_freep(&avctx->internal->hwaccel_priv_data);
+ ff_decode_bsfs_uninit(avctx);
+
av_freep(&avctx->internal);
}
return LICENSE_PREFIX LIBAV_LICENSE + sizeof(LICENSE_PREFIX) - 1;
}
-void avcodec_flush_buffers(AVCodecContext *avctx)
-{
- avctx->internal->draining = 0;
- avctx->internal->draining_done = 0;
- av_frame_unref(avctx->internal->buffer_frame);
- av_packet_unref(avctx->internal->buffer_pkt);
- avctx->internal->buffer_pkt_valid = 0;
-
- if (HAVE_THREADS && avctx->active_thread_type & FF_THREAD_FRAME)
- ff_thread_flush(avctx);
- else if (avctx->codec->flush)
- avctx->codec->flush(avctx);
-
- if (!avctx->refcounted_frames)
- av_frame_unref(avctx->internal->to_free);
-}
-
int av_get_exact_bits_per_sample(enum AVCodecID codec_id)
{
switch (codec_id) {
if (id == AV_CODEC_ID_BINKAUDIO_DCT)
return (480 << (sr / 22050)) / ch;
}
+
+ if (id == AV_CODEC_ID_MP3)
+ return sr <= 24000 ? 576 : 1152;
}
if (ba > 0) {
projects / ffmpeg / blobdiff