#include "libavutil/samplefmt.h"
#include "avcodec.h"
+#include "encode.h"
#include "frame_thread_encoder.h"
#include "internal.h"
int ff_alloc_packet2(AVCodecContext *avctx, AVPacket *avpkt, int64_t size, int64_t min_size)
{
- if (avpkt->size < 0) {
- av_log(avctx, AV_LOG_ERROR, "Invalid negative user packet size %d\n", avpkt->size);
- return AVERROR(EINVAL);
- }
if (size < 0 || size > INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE) {
av_log(avctx, AV_LOG_ERROR, "Invalid minimum required packet size %"PRId64" (max allowed is %d)\n",
size, INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE);
return AVERROR(EINVAL);
}
+ av_assert0(!avpkt->data);
+
if (avctx && 2*min_size < size) { // FIXME The factor needs to be finetuned
- av_assert0(!avpkt->data || avpkt->data != avctx->internal->byte_buffer);
- if (!avpkt->data || avpkt->size < size) {
- av_fast_padded_malloc(&avctx->internal->byte_buffer, &avctx->internal->byte_buffer_size, size);
- avpkt->data = avctx->internal->byte_buffer;
- avpkt->size = avctx->internal->byte_buffer_size;
- }
+ av_fast_padded_malloc(&avctx->internal->byte_buffer, &avctx->internal->byte_buffer_size, size);
+ avpkt->data = avctx->internal->byte_buffer;
+ avpkt->size = size;
}
- if (avpkt->data) {
- AVBufferRef *buf = avpkt->buf;
-
- if (avpkt->size < size) {
- av_log(avctx, AV_LOG_ERROR, "User packet is too small (%d < %"PRId64")\n", avpkt->size, size);
- return AVERROR(EINVAL);
- }
-
- av_init_packet(avpkt);
- avpkt->buf = buf;
- avpkt->size = size;
- return 0;
- } else {
+ if (!avpkt->data) {
int ret = av_new_packet(avpkt, size);
if (ret < 0)
av_log(avctx, AV_LOG_ERROR, "Failed to allocate packet of size %"PRId64"\n", size);
return ret;
}
+
+ return 0;
}
-int ff_alloc_packet(AVPacket *avpkt, int size)
+int avcodec_default_get_encode_buffer(AVCodecContext *avctx, AVPacket *avpkt, int flags)
{
- return ff_alloc_packet2(NULL, avpkt, size, 0);
+ int ret;
+
+ if (avpkt->size < 0 || avpkt->size > INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE)
+ return AVERROR(EINVAL);
+
+ if (avpkt->data || avpkt->buf) {
+ av_log(avctx, AV_LOG_ERROR, "avpkt->{data,buf} != NULL in avcodec_default_get_encode_buffer()\n");
+ return AVERROR(EINVAL);
+ }
+
+ ret = av_buffer_realloc(&avpkt->buf, avpkt->size + AV_INPUT_BUFFER_PADDING_SIZE);
+ if (ret < 0) {
+ av_log(avctx, AV_LOG_ERROR, "Failed to allocate packet of size %d\n", avpkt->size);
+ return ret;
+ }
+ avpkt->data = avpkt->buf->data;
+
+ return 0;
+}
+
+int ff_get_encode_buffer(AVCodecContext *avctx, AVPacket *avpkt, int64_t size, int flags)
+{
+ int ret;
+
+ if (size < 0 || size > INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE)
+ return AVERROR(EINVAL);
+
+ av_assert0(!avpkt->data && !avpkt->buf);
+
+ avpkt->size = size;
+ ret = avctx->get_encode_buffer(avctx, avpkt, flags);
+ if (ret < 0)
+ goto fail;
+
+ if (!avpkt->data || !avpkt->buf) {
+ av_log(avctx, AV_LOG_ERROR, "No buffer returned by get_encode_buffer()\n");
+ ret = AVERROR(EINVAL);
+ goto fail;
+ }
+ memset(avpkt->data + avpkt->size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
+
+ ret = 0;
+fail:
+ if (ret < 0) {
+ av_log(avctx, AV_LOG_ERROR, "get_encode_buffer() failed\n");
+ av_packet_unref(avpkt);
+ }
+
+ return ret;
}
/**
* Pad last frame with silence.
*/
-static int pad_last_frame(AVCodecContext *s, AVFrame **dst, const AVFrame *src)
+static int pad_last_frame(AVCodecContext *s, AVFrame *frame, 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->channels = src->channels;
frame->nb_samples = s->frame_size;
- ret = av_frame_get_buffer(frame, 32);
+ ret = av_frame_get_buffer(frame, 0);
if (ret < 0)
goto fail;
s->channels, s->sample_fmt)) < 0)
goto fail;
- *dst = frame;
-
return 0;
fail:
- av_frame_free(&frame);
+ av_frame_unref(frame);
return ret;
}
-int attribute_align_arg avcodec_encode_audio2(AVCodecContext *avctx,
- AVPacket *avpkt,
- const AVFrame *frame,
- int *got_packet_ptr)
+int avcodec_encode_subtitle(AVCodecContext *avctx, uint8_t *buf, int buf_size,
+ const AVSubtitle *sub)
{
- AVFrame *extended_frame = NULL;
- AVFrame *padded_frame = NULL;
int ret;
- AVPacket user_pkt = *avpkt;
- int needs_realloc = !user_pkt.data;
+ if (sub->start_display_time) {
+ av_log(avctx, AV_LOG_ERROR, "start_display_time must be 0.\n");
+ return -1;
+ }
- *got_packet_ptr = 0;
+ ret = avctx->codec->encode_sub(avctx, buf, buf_size, sub);
+ avctx->frame_number++;
+ return ret;
+}
- if (!avctx->codec->encode2) {
- av_log(avctx, AV_LOG_ERROR, "This encoder requires using the avcodec_send_frame() API.\n");
- return AVERROR(ENOSYS);
- }
+int ff_encode_get_frame(AVCodecContext *avctx, AVFrame *frame)
+{
+ AVCodecInternal *avci = avctx->internal;
- if (!(avctx->codec->capabilities & AV_CODEC_CAP_DELAY) && !frame) {
- av_packet_unref(avpkt);
- return 0;
- }
+ if (avci->draining)
+ return AVERROR_EOF;
- /* 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");
+ if (!avci->buffer_frame->buf[0])
+ return AVERROR(EAGAIN);
- extended_frame = av_frame_alloc();
- if (!extended_frame)
- return AVERROR(ENOMEM);
+ av_frame_move_ref(frame, avci->buffer_frame);
- memcpy(extended_frame, frame, sizeof(AVFrame));
- extended_frame->extended_data = extended_frame->data;
- frame = extended_frame;
+ return 0;
+}
+
+static int encode_simple_internal(AVCodecContext *avctx, AVPacket *avpkt)
+{
+ AVCodecInternal *avci = avctx->internal;
+ EncodeSimpleContext *es = &avci->es;
+ AVFrame *frame = es->in_frame;
+ int got_packet;
+ int ret;
+
+ if (avci->draining_done)
+ return AVERROR_EOF;
+
+ if (!frame->buf[0] && !avci->draining) {
+ av_frame_unref(frame);
+ ret = ff_encode_get_frame(avctx, frame);
+ if (ret < 0 && ret != AVERROR_EOF)
+ return ret;
}
- /* 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;
+ if (!frame->buf[0]) {
+ if (!(avctx->codec->capabilities & AV_CODEC_CAP_DELAY ||
+ (avci->frame_thread_encoder && avctx->active_thread_type & FF_THREAD_FRAME)))
+ return AVERROR_EOF;
+
+ // Flushing is signaled with a NULL frame
+ frame = NULL;
}
- /* check for valid frame size */
- if (frame) {
- if (avctx->codec->capabilities & AV_CODEC_CAP_SMALL_LAST_FRAME) {
- if (frame->nb_samples > avctx->frame_size) {
- av_log(avctx, AV_LOG_ERROR, "more samples than frame size (avcodec_encode_audio2)\n");
- ret = AVERROR(EINVAL);
- goto end;
- }
- } 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)
- goto end;
+ got_packet = 0;
- frame = padded_frame;
- avctx->internal->last_audio_frame = 1;
- }
+ av_assert0(avctx->codec->encode2);
- if (frame->nb_samples != avctx->frame_size) {
- av_log(avctx, AV_LOG_ERROR, "nb_samples (%d) != frame_size (%d) (avcodec_encode_audio2)\n", frame->nb_samples, avctx->frame_size);
- ret = AVERROR(EINVAL);
- goto end;
- }
- }
+ if (CONFIG_FRAME_THREAD_ENCODER &&
+ avci->frame_thread_encoder && (avctx->active_thread_type & FF_THREAD_FRAME))
+ /* This might modify frame, but it doesn't matter, because
+ * the frame properties used below are not used for video
+ * (due to the delay inherent in frame threaded encoding, it makes
+ * no sense to use the properties of the current frame anyway). */
+ ret = ff_thread_video_encode_frame(avctx, avpkt, frame, &got_packet);
+ else {
+ ret = avctx->codec->encode2(avctx, avpkt, frame, &got_packet);
+ if (avctx->codec->type == AVMEDIA_TYPE_VIDEO && !ret && got_packet &&
+ !(avctx->codec->capabilities & AV_CODEC_CAP_DELAY))
+ avpkt->pts = avpkt->dts = frame->pts;
}
- av_assert0(avctx->codec->encode2);
+ av_assert0(ret <= 0);
+
+ emms_c();
- 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 (!ret && got_packet) {
+ if (avpkt->data) {
+ ret = av_packet_make_refcounted(avpkt);
+ if (ret < 0)
+ goto end;
+ }
+
+ if (frame && !(avctx->codec->capabilities & AV_CODEC_CAP_DELAY)) {
+ if (avctx->codec->type == AVMEDIA_TYPE_AUDIO) {
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 (avpkt->data && avpkt->data == avctx->internal->byte_buffer) {
- needs_realloc = 0;
- if (user_pkt.data) {
- if (user_pkt.size >= avpkt->size) {
- memcpy(user_pkt.data, avpkt->data, avpkt->size);
- } else {
- av_log(avctx, AV_LOG_ERROR, "Provided packet is too small, needs to be %d\n", avpkt->size);
- avpkt->size = user_pkt.size;
- ret = -1;
- }
- avpkt->buf = user_pkt.buf;
- avpkt->data = user_pkt.data;
- } else if (!avpkt->buf) {
- ret = av_packet_make_refcounted(avpkt);
- if (ret < 0)
- goto end;
+ if (avctx->codec->type == AVMEDIA_TYPE_AUDIO) {
+ /* 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;
+ avpkt->dts = avpkt->pts;
}
}
- if (!ret) {
- if (needs_realloc && avpkt->data) {
- ret = av_buffer_realloc(&avpkt->buf, avpkt->size + AV_INPUT_BUFFER_PADDING_SIZE);
- if (ret >= 0)
- avpkt->data = avpkt->buf->data;
- }
- if (frame)
- avctx->frame_number++;
- }
+ if (avci->draining && !got_packet)
+ avci->draining_done = 1;
- if (ret < 0 || !*got_packet_ptr) {
+end:
+ if (ret < 0 || !got_packet)
av_packet_unref(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;
+ if (frame) {
+ if (!ret)
+ avctx->frame_number++;
+ av_frame_unref(frame);
+ }
-end:
- av_frame_free(&padded_frame);
- av_free(extended_frame);
+ if (got_packet)
+ // Encoders must always return ref-counted buffers.
+ // Side-data only packets have no data and can be not ref-counted.
+ av_assert0(!avpkt->data || avpkt->buf);
return ret;
}
-int attribute_align_arg avcodec_encode_video2(AVCodecContext *avctx,
- AVPacket *avpkt,
- const AVFrame *frame,
- int *got_packet_ptr)
+static int encode_simple_receive_packet(AVCodecContext *avctx, AVPacket *avpkt)
{
int ret;
- AVPacket user_pkt = *avpkt;
- int needs_realloc = !user_pkt.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(CONFIG_FRAME_THREAD_ENCODER &&
- avctx->internal->frame_thread_encoder && (avctx->active_thread_type&FF_THREAD_FRAME))
- return ff_thread_video_encode_frame(avctx, avpkt, frame, got_packet_ptr);
-
- if ((avctx->flags&AV_CODEC_FLAG_PASS1) && avctx->stats_out)
- avctx->stats_out[0] = '\0';
-
- if (!(avctx->codec->capabilities & AV_CODEC_CAP_DELAY) && !frame) {
- av_packet_unref(avpkt);
- return 0;
+ while (!avpkt->data && !avpkt->side_data) {
+ ret = encode_simple_internal(avctx, avpkt);
+ if (ret < 0)
+ return ret;
}
- if (av_image_check_size2(avctx->width, avctx->height, avctx->max_pixels, AV_PIX_FMT_NONE, 0, avctx))
- return AVERROR(EINVAL);
-
- if (frame && frame->format == AV_PIX_FMT_NONE)
- av_log(avctx, AV_LOG_WARNING, "AVFrame.format is not set\n");
- if (frame && (frame->width == 0 || frame->height == 0))
- av_log(avctx, AV_LOG_WARNING, "AVFrame.width or height is not set\n");
+ return 0;
+}
- av_assert0(avctx->codec->encode2);
+static int encode_receive_packet_internal(AVCodecContext *avctx, AVPacket *avpkt)
+{
+ AVCodecInternal *avci = avctx->internal;
+ int ret;
- ret = avctx->codec->encode2(avctx, avpkt, frame, got_packet_ptr);
- av_assert0(ret <= 0);
+ if (avci->draining_done)
+ return AVERROR_EOF;
- emms_c();
+ av_assert0(!avpkt->data && !avpkt->side_data);
- if (avpkt->data && avpkt->data == avctx->internal->byte_buffer) {
- needs_realloc = 0;
- if (user_pkt.data) {
- if (user_pkt.size >= avpkt->size) {
- memcpy(user_pkt.data, avpkt->data, avpkt->size);
- } else {
- av_log(avctx, AV_LOG_ERROR, "Provided packet is too small, needs to be %d\n", avpkt->size);
- avpkt->size = user_pkt.size;
- ret = -1;
- }
- avpkt->buf = user_pkt.buf;
- avpkt->data = user_pkt.data;
- } else if (!avpkt->buf) {
- ret = av_packet_make_refcounted(avpkt);
- if (ret < 0)
- return ret;
- }
+ if (avctx->codec->type == AVMEDIA_TYPE_VIDEO) {
+ if ((avctx->flags & AV_CODEC_FLAG_PASS1) && avctx->stats_out)
+ avctx->stats_out[0] = '\0';
+ if (av_image_check_size2(avctx->width, avctx->height, avctx->max_pixels, AV_PIX_FMT_NONE, 0, avctx))
+ return AVERROR(EINVAL);
}
- 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 (needs_realloc && avpkt->data) {
- ret = av_buffer_realloc(&avpkt->buf, avpkt->size + AV_INPUT_BUFFER_PADDING_SIZE);
- if (ret >= 0)
- avpkt->data = avpkt->buf->data;
- }
-
- if (frame)
- avctx->frame_number++;
- }
+ if (avctx->codec->receive_packet) {
+ ret = avctx->codec->receive_packet(avctx, avpkt);
+ if (ret < 0)
+ av_packet_unref(avpkt);
+ else
+ // Encoders must always return ref-counted buffers.
+ // Side-data only packets have no data and can be not ref-counted.
+ av_assert0(!avpkt->data || avpkt->buf);
+ } else
+ ret = encode_simple_receive_packet(avctx, avpkt);
- if (ret < 0 || !*got_packet_ptr)
- av_packet_unref(avpkt);
+ if (ret == AVERROR_EOF)
+ avci->draining_done = 1;
return ret;
}
-int avcodec_encode_subtitle(AVCodecContext *avctx, uint8_t *buf, int buf_size,
- const AVSubtitle *sub)
+static int encode_send_frame_internal(AVCodecContext *avctx, const AVFrame *src)
{
+ AVCodecInternal *avci = avctx->internal;
+ AVFrame *dst = avci->buffer_frame;
int ret;
- if (sub->start_display_time) {
- av_log(avctx, AV_LOG_ERROR, "start_display_time must be 0.\n");
- return -1;
- }
- ret = avctx->codec->encode_sub(avctx, buf, buf_size, sub);
- avctx->frame_number++;
- return ret;
-}
+ if (avctx->codec->type == AVMEDIA_TYPE_AUDIO) {
+ /* extract audio service type metadata */
+ AVFrameSideData *sd = av_frame_get_side_data(src, AV_FRAME_DATA_AUDIO_SERVICE_TYPE);
+ if (sd && sd->size >= sizeof(enum AVAudioServiceType))
+ avctx->audio_service_type = *(enum AVAudioServiceType*)sd->data;
-static int do_encode(AVCodecContext *avctx, const AVFrame *frame, int *got_packet)
-{
- int ret;
- *got_packet = 0;
+ /* check for valid frame size */
+ if (avctx->codec->capabilities & AV_CODEC_CAP_SMALL_LAST_FRAME) {
+ if (src->nb_samples > avctx->frame_size) {
+ av_log(avctx, AV_LOG_ERROR, "more samples than frame size\n");
+ return AVERROR(EINVAL);
+ }
+ } else if (!(avctx->codec->capabilities & AV_CODEC_CAP_VARIABLE_FRAME_SIZE)) {
+ /* if we already got an undersized frame, that must have been the last */
+ if (avctx->internal->last_audio_frame) {
+ av_log(avctx, AV_LOG_ERROR, "frame_size (%d) was not respected for a non-last frame\n", avctx->frame_size);
+ return AVERROR(EINVAL);
+ }
- av_packet_unref(avctx->internal->buffer_pkt);
- avctx->internal->buffer_pkt_valid = 0;
+ if (src->nb_samples < avctx->frame_size) {
+ ret = pad_last_frame(avctx, dst, src);
+ if (ret < 0)
+ return ret;
- 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);
+ avctx->internal->last_audio_frame = 1;
+ } else if (src->nb_samples > avctx->frame_size) {
+ av_log(avctx, AV_LOG_ERROR, "nb_samples (%d) != frame_size (%d)\n", src->nb_samples, avctx->frame_size);
+ return 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);
+ if (!dst->data[0]) {
+ ret = av_frame_ref(dst, src);
+ if (ret < 0)
+ return ret;
}
- return ret;
+ return 0;
}
int attribute_align_arg avcodec_send_frame(AVCodecContext *avctx, const AVFrame *frame)
{
+ AVCodecInternal *avci = avctx->internal;
+ int ret;
+
if (!avcodec_is_open(avctx) || !av_codec_is_encoder(avctx->codec))
return AVERROR(EINVAL);
- if (avctx->internal->draining)
+ if (avci->draining)
return AVERROR_EOF;
- if (!frame) {
- avctx->internal->draining = 1;
+ if (avci->buffer_frame->data[0])
+ return AVERROR(EAGAIN);
- if (!(avctx->codec->capabilities & AV_CODEC_CAP_DELAY))
- return 0;
+ if (!frame) {
+ avci->draining = 1;
+ } else {
+ ret = encode_send_frame_internal(avctx, frame);
+ if (ret < 0)
+ return ret;
}
- 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);
+ if (!avci->buffer_pkt->data && !avci->buffer_pkt->side_data) {
+ ret = encode_receive_packet_internal(avctx, avci->buffer_pkt);
+ if (ret < 0 && ret != AVERROR(EAGAIN) && ret != AVERROR_EOF)
+ return ret;
+ }
- return do_encode(avctx, frame, &(int){0});
+ return 0;
}
int attribute_align_arg avcodec_receive_packet(AVCodecContext *avctx, AVPacket *avpkt)
{
+ AVCodecInternal *avci = avctx->internal;
+ int ret;
+
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);
+ if (avci->buffer_pkt->data || avci->buffer_pkt->side_data) {
+ av_packet_move_ref(avpkt, avci->buffer_pkt);
+ } else {
+ ret = encode_receive_packet_internal(avctx, avpkt);
+ if (ret < 0)
+ return ret;
}
- // Emulation via old API.
+ return 0;
+}
- 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;
+int ff_encode_preinit(AVCodecContext *avctx)
+{
+ int i;
+
+ if (avctx->time_base.num <= 0 || avctx->time_base.den <= 0) {
+ av_log(avctx, AV_LOG_ERROR, "The encoder timebase is not set.\n");
+ return AVERROR(EINVAL);
+ }
+
+ if (avctx->codec->sample_fmts) {
+ for (i = 0; avctx->codec->sample_fmts[i] != AV_SAMPLE_FMT_NONE; i++) {
+ if (avctx->sample_fmt == avctx->codec->sample_fmts[i])
+ break;
+ if (avctx->channels == 1 &&
+ av_get_planar_sample_fmt(avctx->sample_fmt) ==
+ av_get_planar_sample_fmt(avctx->codec->sample_fmts[i])) {
+ avctx->sample_fmt = avctx->codec->sample_fmts[i];
+ break;
+ }
+ }
+ if (avctx->codec->sample_fmts[i] == AV_SAMPLE_FMT_NONE) {
+ char buf[128];
+ snprintf(buf, sizeof(buf), "%d", avctx->sample_fmt);
+ av_log(avctx, AV_LOG_ERROR, "Specified sample format %s is invalid or not supported\n",
+ (char *)av_x_if_null(av_get_sample_fmt_name(avctx->sample_fmt), buf));
+ return AVERROR(EINVAL);
+ }
+ }
+ if (avctx->codec->pix_fmts) {
+ for (i = 0; avctx->codec->pix_fmts[i] != AV_PIX_FMT_NONE; i++)
+ if (avctx->pix_fmt == avctx->codec->pix_fmts[i])
+ break;
+ if (avctx->codec->pix_fmts[i] == AV_PIX_FMT_NONE) {
+ char buf[128];
+ snprintf(buf, sizeof(buf), "%d", avctx->pix_fmt);
+ av_log(avctx, AV_LOG_ERROR, "Specified pixel format %s is invalid or not supported\n",
+ (char *)av_x_if_null(av_get_pix_fmt_name(avctx->pix_fmt), buf));
+ return AVERROR(EINVAL);
+ }
+ if (avctx->codec->pix_fmts[i] == AV_PIX_FMT_YUVJ420P ||
+ avctx->codec->pix_fmts[i] == AV_PIX_FMT_YUVJ411P ||
+ avctx->codec->pix_fmts[i] == AV_PIX_FMT_YUVJ422P ||
+ avctx->codec->pix_fmts[i] == AV_PIX_FMT_YUVJ440P ||
+ avctx->codec->pix_fmts[i] == AV_PIX_FMT_YUVJ444P)
+ avctx->color_range = AVCOL_RANGE_JPEG;
+ }
+ if (avctx->codec->supported_samplerates) {
+ for (i = 0; avctx->codec->supported_samplerates[i] != 0; i++)
+ if (avctx->sample_rate == avctx->codec->supported_samplerates[i])
+ break;
+ if (avctx->codec->supported_samplerates[i] == 0) {
+ av_log(avctx, AV_LOG_ERROR, "Specified sample rate %d is not supported\n",
+ avctx->sample_rate);
+ return AVERROR(EINVAL);
+ }
+ }
+ if (avctx->sample_rate < 0) {
+ av_log(avctx, AV_LOG_ERROR, "Specified sample rate %d is not supported\n",
+ avctx->sample_rate);
+ return AVERROR(EINVAL);
+ }
+ if (avctx->codec->channel_layouts) {
+ if (!avctx->channel_layout) {
+ av_log(avctx, AV_LOG_WARNING, "Channel layout not specified\n");
+ } else {
+ for (i = 0; avctx->codec->channel_layouts[i] != 0; i++)
+ if (avctx->channel_layout == avctx->codec->channel_layouts[i])
+ break;
+ if (avctx->codec->channel_layouts[i] == 0) {
+ char buf[512];
+ av_get_channel_layout_string(buf, sizeof(buf), -1, avctx->channel_layout);
+ av_log(avctx, AV_LOG_ERROR, "Specified channel layout '%s' is not supported\n", buf);
+ return AVERROR(EINVAL);
+ }
+ }
+ }
+ if (avctx->channel_layout && avctx->channels) {
+ int channels = av_get_channel_layout_nb_channels(avctx->channel_layout);
+ if (channels != avctx->channels) {
+ char buf[512];
+ av_get_channel_layout_string(buf, sizeof(buf), -1, avctx->channel_layout);
+ av_log(avctx, AV_LOG_ERROR,
+ "Channel layout '%s' with %d channels does not match number of specified channels %d\n",
+ buf, channels, avctx->channels);
+ return AVERROR(EINVAL);
+ }
+ } else if (avctx->channel_layout) {
+ avctx->channels = av_get_channel_layout_nb_channels(avctx->channel_layout);
+ }
+ if (avctx->channels < 0) {
+ av_log(avctx, AV_LOG_ERROR, "Specified number of channels %d is not supported\n",
+ avctx->channels);
+ return AVERROR(EINVAL);
+ }
+ if(avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
+ const AVPixFmtDescriptor *pixdesc = av_pix_fmt_desc_get(avctx->pix_fmt);
+ if ( avctx->bits_per_raw_sample < 0
+ || (avctx->bits_per_raw_sample > 8 && pixdesc->comp[0].depth <= 8)) {
+ av_log(avctx, AV_LOG_WARNING, "Specified bit depth %d not possible with the specified pixel formats depth %d\n",
+ avctx->bits_per_raw_sample, pixdesc->comp[0].depth);
+ avctx->bits_per_raw_sample = pixdesc->comp[0].depth;
+ }
+ if (avctx->width <= 0 || avctx->height <= 0) {
+ av_log(avctx, AV_LOG_ERROR, "dimensions not set\n");
+ return AVERROR(EINVAL);
+ }
+ }
+ if ( (avctx->codec_type == AVMEDIA_TYPE_VIDEO || avctx->codec_type == AVMEDIA_TYPE_AUDIO)
+ && avctx->bit_rate>0 && avctx->bit_rate<1000) {
+ av_log(avctx, AV_LOG_WARNING, "Bitrate %"PRId64" is extremely low, maybe you mean %"PRId64"k\n", avctx->bit_rate, avctx->bit_rate);
+ }
+
+ if (!avctx->rc_initial_buffer_occupancy)
+ avctx->rc_initial_buffer_occupancy = avctx->rc_buffer_size * 3LL / 4;
+
+ if (avctx->ticks_per_frame && avctx->time_base.num &&
+ avctx->ticks_per_frame > INT_MAX / avctx->time_base.num) {
+ av_log(avctx, AV_LOG_ERROR,
+ "ticks_per_frame %d too large for the timebase %d/%d.",
+ avctx->ticks_per_frame,
+ avctx->time_base.num,
+ avctx->time_base.den);
+ return AVERROR(EINVAL);
+ }
+
+ if (avctx->hw_frames_ctx) {
+ AVHWFramesContext *frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
+ if (frames_ctx->format != avctx->pix_fmt) {
+ av_log(avctx, AV_LOG_ERROR,
+ "Mismatching AVCodecContext.pix_fmt and AVHWFramesContext.format\n");
+ return AVERROR(EINVAL);
+ }
+ if (avctx->sw_pix_fmt != AV_PIX_FMT_NONE &&
+ avctx->sw_pix_fmt != frames_ctx->sw_format) {
+ av_log(avctx, AV_LOG_ERROR,
+ "Mismatching AVCodecContext.sw_pix_fmt (%s) "
+ "and AVHWFramesContext.sw_format (%s)\n",
+ av_get_pix_fmt_name(avctx->sw_pix_fmt),
+ av_get_pix_fmt_name(frames_ctx->sw_format));
+ return AVERROR(EINVAL);
+ }
+ avctx->sw_pix_fmt = frames_ctx->sw_format;
}
- av_packet_move_ref(avpkt, avctx->internal->buffer_pkt);
- avctx->internal->buffer_pkt_valid = 0;
return 0;
}
projects / ffmpeg / blobdiff