FFmpeg coverage

GCC Code Coverage Report

Directory:	../../../ffmpeg/		Exec	Total	Coverage
File:	src/libavcodec/encode.c	Lines:	183	242	75.6 %
Date:	2021-01-26 11:44:58	Branches:	152	228	66.7 %


/*
 * generic encoding-related code
 *
 * 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
 */

#include "libavutil/attributes.h"
#include "libavutil/avassert.h"
#include "libavutil/frame.h"
#include "libavutil/imgutils.h"
#include "libavutil/internal.h"
#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 (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_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) {
        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;
}

/**
 * Pad last frame with silence.
 */
static int pad_last_frame(AVCodecContext *s, AVFrame *frame, const AVFrame *src)
{
    int ret;

    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, 0);
    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;

    return 0;

fail:
    av_frame_unref(frame);
    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;
    }

    ret = avctx->codec->encode_sub(avctx, buf, buf_size, sub);
    avctx->frame_number++;
    return ret;
}

int ff_encode_get_frame(AVCodecContext *avctx, AVFrame *frame)
{
    AVCodecInternal *avci = avctx->internal;

    if (avci->draining)
        return AVERROR_EOF;

    if (!avci->buffer_frame->buf[0])
        return AVERROR(EAGAIN);

    av_frame_move_ref(frame, avci->buffer_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;
    }

    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;
    }

    got_packet = 0;

    av_assert0(avctx->codec->encode2);

    if (CONFIG_FRAME_THREAD_ENCODER &&
        avci->frame_thread_encoder && (avctx->active_thread_type & FF_THREAD_FRAME))
        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(ret <= 0);

    emms_c();

    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);
            }
        }
        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 (avci->draining && !got_packet)
        avci->draining_done = 1;

end:
    if (ret < 0 || !got_packet)
        av_packet_unref(avpkt);

    if (frame) {
        if (!ret)
            avctx->frame_number++;
        av_frame_unref(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;
}

static int encode_simple_receive_packet(AVCodecContext *avctx, AVPacket *avpkt)
{
    int ret;

    while (!avpkt->data && !avpkt->side_data) {
        ret = encode_simple_internal(avctx, avpkt);
        if (ret < 0)
            return ret;
    }

    return 0;
}

static int encode_receive_packet_internal(AVCodecContext *avctx, AVPacket *avpkt)
{
    AVCodecInternal *avci = avctx->internal;
    int ret;

    if (avci->draining_done)
        return AVERROR_EOF;

    av_assert0(!avpkt->data && !avpkt->side_data);

    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 (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 == AVERROR_EOF)
        avci->draining_done = 1;

    return ret;
}

static int encode_send_frame_internal(AVCodecContext *avctx, const AVFrame *src)
{
    AVCodecInternal *avci = avctx->internal;
    AVFrame *dst = avci->buffer_frame;
    int 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;

        /* 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);
            }

            if (src->nb_samples < avctx->frame_size) {
                ret = pad_last_frame(avctx, dst, src);
                if (ret < 0)
                    return ret;

                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 (!dst->data[0]) {
        ret = av_frame_ref(dst, src);
        if (ret < 0)
             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 (avci->draining)
        return AVERROR_EOF;

    if (avci->buffer_frame->data[0])
        return AVERROR(EAGAIN);

    if (!frame) {
        avci->draining = 1;
    } else {
        ret = encode_send_frame_internal(avctx, frame);
        if (ret < 0)
            return ret;
    }

    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 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 (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;
    }

    return 0;
}

static int compat_encode(AVCodecContext *avctx, AVPacket *avpkt,
                         int *got_packet, const AVFrame *frame)
{
    AVCodecInternal *avci = avctx->internal;
    AVPacket user_pkt;
    int ret;

    *got_packet = 0;

    if (frame && avctx->codec->type == AVMEDIA_TYPE_VIDEO) {
        if (frame->format == AV_PIX_FMT_NONE)
            av_log(avctx, AV_LOG_WARNING, "AVFrame.format is not set\n");
        if (frame->width == 0 || frame->height == 0)
            av_log(avctx, AV_LOG_WARNING, "AVFrame.width or height is not set\n");
    }

    ret = avcodec_send_frame(avctx, frame);
    if (ret == AVERROR_EOF)
        ret = 0;
    else if (ret == AVERROR(EAGAIN)) {
        /* we fully drain all the output in each encode call, so this should not
         * ever happen */
        return AVERROR_BUG;
    } else if (ret < 0)
        return ret;

    av_packet_move_ref(&user_pkt, avpkt);
    while (ret >= 0) {
        ret = avcodec_receive_packet(avctx, avpkt);
        if (ret < 0) {
            if (ret == AVERROR(EAGAIN) || ret == AVERROR_EOF)
                ret = 0;
            goto finish;
        }

        if (avpkt != avci->compat_encode_packet) {
            if (avpkt->data && user_pkt.data) {
                if (user_pkt.size >= avpkt->size) {
                    memcpy(user_pkt.data, avpkt->data, avpkt->size);
                    av_buffer_unref(&avpkt->buf);
                    avpkt->buf  = user_pkt.buf;
                    avpkt->data = user_pkt.data;
                    av_init_packet(&user_pkt);
                } else {
                    av_log(avctx, AV_LOG_ERROR, "Provided packet is too small, needs to be %d\n", avpkt->size);
                    av_packet_unref(avpkt);
                    ret = AVERROR(EINVAL);
                    goto finish;
                }
            }

            *got_packet = 1;
            avpkt = avci->compat_encode_packet;
        } else {
            if (!avci->compat_decode_warned) {
                av_log(avctx, AV_LOG_WARNING, "The deprecated avcodec_encode_* "
                       "API cannot return all the packets for this encoder. "
                       "Some packets will be dropped. Update your code to the "
                       "new encoding API to fix this.\n");
                avci->compat_decode_warned = 1;
                av_packet_unref(avpkt);
            }
        }

        if (avci->draining)
            break;
    }

finish:
    if (ret < 0)
        av_packet_unref(&user_pkt);

    return ret;
}

int attribute_align_arg avcodec_encode_audio2(AVCodecContext *avctx,
                                              AVPacket *avpkt,
                                              const AVFrame *frame,
                                              int *got_packet_ptr)
{
    int ret = compat_encode(avctx, avpkt, got_packet_ptr, frame);

    if (ret < 0)
        av_packet_unref(avpkt);

    return ret;
}

int attribute_align_arg avcodec_encode_video2(AVCodecContext *avctx,
                                              AVPacket *avpkt,
                                              const AVFrame *frame,
                                              int *got_packet_ptr)
{
    int ret = compat_encode(avctx, avpkt, got_packet_ptr, frame);

    if (ret < 0)
        av_packet_unref(avpkt);

    return ret;
}


Generated by: GCOVR (Version 4.2)

Line	Branch	Exec	Source
1			/*
2			* generic encoding-related code
3			*
4			* This file is part of FFmpeg.
5			*
6			* FFmpeg is free software; you can redistribute it and/or
7			* modify it under the terms of the GNU Lesser General Public
8			* License as published by the Free Software Foundation; either
9			* version 2.1 of the License, or (at your option) any later version.
10			*
11			* FFmpeg is distributed in the hope that it will be useful,
12			* but WITHOUT ANY WARRANTY; without even the implied warranty of
13			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14			* Lesser General Public License for more details.
15			*
16			* You should have received a copy of the GNU Lesser General Public
17			* License along with FFmpeg; if not, write to the Free Software
18			* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19			*/
20
21			#include "libavutil/attributes.h"
22			#include "libavutil/avassert.h"
23			#include "libavutil/frame.h"
24			#include "libavutil/imgutils.h"
25			#include "libavutil/internal.h"
26			#include "libavutil/samplefmt.h"
27
28			#include "avcodec.h"
29			#include "encode.h"
30			#include "frame_thread_encoder.h"
31			#include "internal.h"
32
33		397314	int ff_alloc_packet2(AVCodecContext avctx, AVPacket avpkt, int64_t size, int64_t min_size)
34			{
35	✓✗✗✓	397314	if (size < 0 \|\| size > INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE) {
36			av_log(avctx, AV_LOG_ERROR, "Invalid minimum required packet size %"PRId64" (max allowed is %d)\n",
37			size, INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE);
38			return AVERROR(EINVAL);
39			}
40
41	✗✓	397314	av_assert0(!avpkt->data);
42
43	✓✗✓✓	397314	if (avctx && 2*min_size < size) { // FIXME The factor needs to be finetuned
44		80014	av_fast_padded_malloc(&avctx->internal->byte_buffer, &avctx->internal->byte_buffer_size, size);
45		80014	avpkt->data = avctx->internal->byte_buffer;
46		80014	avpkt->size = size;
47			}
48
49	✓✓	397314	if (!avpkt->data) {
50		317300	int ret = av_new_packet(avpkt, size);
51	✗✓	317300	if (ret < 0)
52			av_log(avctx, AV_LOG_ERROR, "Failed to allocate packet of size %"PRId64"\n", size);
53		317300	return ret;
54			}
55
56		80014	return 0;
57			}
58
59			/**
60			* Pad last frame with silence.
61			*/
62		49	static int pad_last_frame(AVCodecContext s, AVFrame frame, const AVFrame *src)
63			{
64			int ret;
65
66		49	frame->format = src->format;
67		49	frame->channel_layout = src->channel_layout;
68		49	frame->channels = src->channels;
69		49	frame->nb_samples = s->frame_size;
70		49	ret = av_frame_get_buffer(frame, 0);
71	✗✓	49	if (ret < 0)
72			goto fail;
73
74		49	ret = av_frame_copy_props(frame, src);
75	✗✓	49	if (ret < 0)
76			goto fail;
77
78	✗✓	49	if ((ret = av_samples_copy(frame->extended_data, src->extended_data, 0, 0,
79			src->nb_samples, s->channels, s->sample_fmt)) < 0)
80			goto fail;
81	✗✓	49	if ((ret = av_samples_set_silence(frame->extended_data, src->nb_samples,
82		49	frame->nb_samples - src->nb_samples,
83			s->channels, s->sample_fmt)) < 0)
84			goto fail;
85
86		49	return 0;
87
88			fail:
89			av_frame_unref(frame);
90			return ret;
91			}
92
93		667	int avcodec_encode_subtitle(AVCodecContext avctx, uint8_t buf, int buf_size,
94			const AVSubtitle *sub)
95			{
96			int ret;
97	✗✓	667	if (sub->start_display_time) {
98			av_log(avctx, AV_LOG_ERROR, "start_display_time must be 0.\n");
99			return -1;
100			}
101
102		667	ret = avctx->codec->encode_sub(avctx, buf, buf_size, sub);
103		667	avctx->frame_number++;
104		667	return ret;
105			}
106
107		819121	int ff_encode_get_frame(AVCodecContext avctx, AVFrame frame)
108			{
109		819121	AVCodecInternal *avci = avctx->internal;
110
111	✗✓	819121	if (avci->draining)
112			return AVERROR_EOF;
113
114	✓✓	819121	if (!avci->buffer_frame->buf[0])
115		415643	return AVERROR(EAGAIN);
116
117		403478	av_frame_move_ref(frame, avci->buffer_frame);
118
119		403478	return 0;
120			}
121
122		825358	static int encode_simple_internal(AVCodecContext avctx, AVPacket avpkt)
123			{
124		825358	AVCodecInternal *avci = avctx->internal;
125		825358	EncodeSimpleContext *es = &avci->es;
126		825358	AVFrame *frame = es->in_frame;
127			int got_packet;
128			int ret;
129
130	✓✓	825358	if (avci->draining_done)
131		186	return AVERROR_EOF;
132
133	✓✗✓✓	825172	if (!frame->buf[0] && !avci->draining) {
134		819121	av_frame_unref(frame);
135		819121	ret = ff_encode_get_frame(avctx, frame);
136	✓✓✓✗	819121	if (ret < 0 && ret != AVERROR_EOF)
137		415643	return ret;
138			}
139
140	✓✓	409529	if (!frame->buf[0]) {
141	✓✓	6051	if (!(avctx->codec->capabilities & AV_CODEC_CAP_DELAY \|\|
142	✓✓✗✓	5725	(avci->frame_thread_encoder && avctx->active_thread_type & FF_THREAD_FRAME)))
143		5610	return AVERROR_EOF;
144
145			// Flushing is signaled with a NULL frame
146		441	frame = NULL;
147			}
148
149		403919	got_packet = 0;
150
151	✗✓	403919	av_assert0(avctx->codec->encode2);
152
153		403919	if (CONFIG_FRAME_THREAD_ENCODER &&
154	✓✓✓✗	403919	avci->frame_thread_encoder && (avctx->active_thread_type & FF_THREAD_FRAME))
155		880	ret = ff_thread_video_encode_frame(avctx, avpkt, frame, &got_packet);
156			else {
157		403039	ret = avctx->codec->encode2(avctx, avpkt, frame, &got_packet);
158	✓✓✓✗ ✓✓	403039	if (avctx->codec->type == AVMEDIA_TYPE_VIDEO && !ret && got_packet &&
159	✓✓	98763	!(avctx->codec->capabilities & AV_CODEC_CAP_DELAY))
160		92732	avpkt->pts = avpkt->dts = frame->pts;
161			}
162
163	✗✓	403919	av_assert0(ret <= 0);
164
165		403919	emms_c();
166
167	✓✗✓✓	403919	if (!ret && got_packet) {
168	✓✓	397364	if (avpkt->data) {
169		397349	ret = av_packet_make_refcounted(avpkt);
170	✗✓	397349	if (ret < 0)
171			goto end;
172			}
173
174	✓✓✓✓	397364	if (frame && !(avctx->codec->capabilities & AV_CODEC_CAP_DELAY)) {
175	✓✓	365137	if (avctx->codec->type == AVMEDIA_TYPE_AUDIO) {
176	✓✓	271737	if (avpkt->pts == AV_NOPTS_VALUE)
177		260689	avpkt->pts = frame->pts;
178	✓✓	271737	if (!avpkt->duration)
179		270682	avpkt->duration = ff_samples_to_time_base(avctx,
180		270682	frame->nb_samples);
181			}
182			}
183	✓✓	397364	if (avctx->codec->type == AVMEDIA_TYPE_AUDIO) {
184			/* NOTE: if we add any audio encoders which output non-keyframe packets,
185			* this needs to be moved to the encoders, but for now we can do it
186			* here to simplify things */
187		297836	avpkt->flags \|= AV_PKT_FLAG_KEY;
188		297836	avpkt->dts = avpkt->pts;
189			}
190			}
191
192	✓✓✓✓	403919	if (avci->draining && !got_packet)
193		186	avci->draining_done = 1;
194
195		403733	end:
196	✓✗✓✓	403919	if (ret < 0 \|\| !got_packet)
197		6555	av_packet_unref(avpkt);
198
199	✓✓	403919	if (frame) {
200	✓✗	403478	if (!ret)
201		403478	avctx->frame_number++;
202		403478	av_frame_unref(frame);
203			}
204
205	✓✓	403919	if (got_packet)
206			// Encoders must always return ref-counted buffers.
207			// Side-data only packets have no data and can be not ref-counted.
208	✓✓✗✓	397364	av_assert0(!avpkt->data \|\| avpkt->buf);
209
210		403919	return ret;
211			}
212
213		818803	static int encode_simple_receive_packet(AVCodecContext avctx, AVPacket avpkt)
214			{
215			int ret;
216
217	✓✓✓✓	1222722	while (!avpkt->data && !avpkt->side_data) {
218		825358	ret = encode_simple_internal(avctx, avpkt);
219	✓✓	825358	if (ret < 0)
220		421439	return ret;
221			}
222
223		397364	return 0;
224			}
225
226		824481	static int encode_receive_packet_internal(AVCodecContext avctx, AVPacket avpkt)
227			{
228		824481	AVCodecInternal *avci = avctx->internal;
229			int ret;
230
231	✓✓	824481	if (avci->draining_done)
232		5678	return AVERROR_EOF;
233
234	✓✗✗✓	818803	av_assert0(!avpkt->data && !avpkt->side_data);
235
236	✓✓	818803	if (avctx->codec->type == AVMEDIA_TYPE_VIDEO) {
237	✗✓✗✗	208615	if ((avctx->flags & AV_CODEC_FLAG_PASS1) && avctx->stats_out)
238			avctx->stats_out[0] = '\0';
239	✗✓	208615	if (av_image_check_size2(avctx->width, avctx->height, avctx->max_pixels, AV_PIX_FMT_NONE, 0, avctx))
240			return AVERROR(EINVAL);
241			}
242
243	✗✓	818803	if (avctx->codec->receive_packet) {
244			ret = avctx->codec->receive_packet(avctx, avpkt);
245			if (ret < 0)
246			av_packet_unref(avpkt);
247			else
248			// Encoders must always return ref-counted buffers.
249			// Side-data only packets have no data and can be not ref-counted.
250			av_assert0(!avpkt->data \|\| avpkt->buf);
251			} else
252		818803	ret = encode_simple_receive_packet(avctx, avpkt);
253
254	✓✓	818803	if (ret == AVERROR_EOF)
255		5796	avci->draining_done = 1;
256
257		818803	return ret;
258			}
259
260		403478	static int encode_send_frame_internal(AVCodecContext avctx, const AVFrame src)
261			{
262		403478	AVCodecInternal *avci = avctx->internal;
263		403478	AVFrame *dst = avci->buffer_frame;
264			int ret;
265
266	✓✓	403478	if (avctx->codec->type == AVMEDIA_TYPE_AUDIO) {
267			/* extract audio service type metadata */
268		303950	AVFrameSideData *sd = av_frame_get_side_data(src, AV_FRAME_DATA_AUDIO_SERVICE_TYPE);
269	✗✓✗✗	303950	if (sd && sd->size >= sizeof(enum AVAudioServiceType))
270			avctx->audio_service_type = (enum AVAudioServiceType)sd->data;
271
272			/* check for valid frame size */
273	✓✓	303950	if (avctx->codec->capabilities & AV_CODEC_CAP_SMALL_LAST_FRAME) {
274	✗✓	12483	if (src->nb_samples > avctx->frame_size) {
275			av_log(avctx, AV_LOG_ERROR, "more samples than frame size\n");
276			return AVERROR(EINVAL);
277			}
278	✓✓	291467	} else if (!(avctx->codec->capabilities & AV_CODEC_CAP_VARIABLE_FRAME_SIZE)) {
279			/* if we already got an undersized frame, that must have been the last */
280	✗✓	52512	if (avctx->internal->last_audio_frame) {
281			av_log(avctx, AV_LOG_ERROR, "frame_size (%d) was not respected for a non-last frame\n", avctx->frame_size);
282			return AVERROR(EINVAL);
283			}
284
285	✓✓	52512	if (src->nb_samples < avctx->frame_size) {
286		49	ret = pad_last_frame(avctx, dst, src);
287	✗✓	49	if (ret < 0)
288			return ret;
289
290		49	avctx->internal->last_audio_frame = 1;
291	✗✓	52463	} else if (src->nb_samples > avctx->frame_size) {
292			av_log(avctx, AV_LOG_ERROR, "nb_samples (%d) != frame_size (%d)\n", src->nb_samples, avctx->frame_size);
293			return AVERROR(EINVAL);
294			}
295			}
296			}
297
298	✓✓	403478	if (!dst->data[0]) {
299		403429	ret = av_frame_ref(dst, src);
300	✗✓	403429	if (ret < 0)
301			return ret;
302			}
303
304		403478	return 0;
305			}
306
307		409274	int attribute_align_arg avcodec_send_frame(AVCodecContext avctx, const AVFrame frame)
308			{
309		409274	AVCodecInternal *avci = avctx->internal;
310			int ret;
311
312	✓✗✗✓	409274	if (!avcodec_is_open(avctx) \|\| !av_codec_is_encoder(avctx->codec))
313			return AVERROR(EINVAL);
314
315	✗✓	409274	if (avci->draining)
316			return AVERROR_EOF;
317
318	✗✓	409274	if (avci->buffer_frame->data[0])
319			return AVERROR(EAGAIN);
320
321	✓✓	409274	if (!frame) {
322		5796	avci->draining = 1;
323			} else {
324		403478	ret = encode_send_frame_internal(avctx, frame);
325	✗✓	403478	if (ret < 0)
326			return ret;
327			}
328
329	✓✗✓✗	409274	if (!avci->buffer_pkt->data && !avci->buffer_pkt->side_data) {
330		409274	ret = encode_receive_packet_internal(avctx, avci->buffer_pkt);
331	✓✓✓✓ ✗✓	409274	if (ret < 0 && ret != AVERROR(EAGAIN) && ret != AVERROR_EOF)
332			return ret;
333			}
334
335		409274	return 0;
336			}
337
338		812434	int attribute_align_arg avcodec_receive_packet(AVCodecContext avctx, AVPacket avpkt)
339			{
340		812434	AVCodecInternal *avci = avctx->internal;
341			int ret;
342
343		812434	av_packet_unref(avpkt);
344
345	✓✗✗✓	812434	if (!avcodec_is_open(avctx) \|\| !av_codec_is_encoder(avctx->codec))
346			return AVERROR(EINVAL);
347
348	✓✓✓✓	812434	if (avci->buffer_pkt->data \|\| avci->buffer_pkt->side_data) {
349		397227	av_packet_move_ref(avpkt, avci->buffer_pkt);
350			} else {
351		415207	ret = encode_receive_packet_internal(avctx, avpkt);
352	✓✓	415207	if (ret < 0)
353		415070	return ret;
354			}
355
356		397364	return 0;
357			}
358
359		3260	static int compat_encode(AVCodecContext avctx, AVPacket avpkt,
360			int got_packet, const AVFrame frame)
361			{
362		3260	AVCodecInternal *avci = avctx->internal;
363			AVPacket user_pkt;
364			int ret;
365
366		3260	*got_packet = 0;
367
368	✓✗✓✓	3260	if (frame && avctx->codec->type == AVMEDIA_TYPE_VIDEO) {
369	✗✓	60	if (frame->format == AV_PIX_FMT_NONE)
370			av_log(avctx, AV_LOG_WARNING, "AVFrame.format is not set\n");
371	✓✗✗✓	60	if (frame->width == 0 \|\| frame->height == 0)
372			av_log(avctx, AV_LOG_WARNING, "AVFrame.width or height is not set\n");
373			}
374
375		3260	ret = avcodec_send_frame(avctx, frame);
376	✗✓	3260	if (ret == AVERROR_EOF)
377			ret = 0;
378	✗✓	3260	else if (ret == AVERROR(EAGAIN)) {
379			/* we fully drain all the output in each encode call, so this should not
380			* ever happen */
381			return AVERROR_BUG;
382	✗✓	3260	} else if (ret < 0)
383			return ret;
384
385		3260	av_packet_move_ref(&user_pkt, avpkt);
386	✓✗	6520	while (ret >= 0) {
387		6520	ret = avcodec_receive_packet(avctx, avpkt);
388	✓✓	6520	if (ret < 0) {
389	✗✓✗✗	3260	if (ret == AVERROR(EAGAIN) \|\| ret == AVERROR_EOF)
390		3260	ret = 0;
391		3260	goto finish;
392			}
393
394	✓✗	3260	if (avpkt != avci->compat_encode_packet) {
395	✓✗✗✓	3260	if (avpkt->data && user_pkt.data) {
396			if (user_pkt.size >= avpkt->size) {
397			memcpy(user_pkt.data, avpkt->data, avpkt->size);
398			av_buffer_unref(&avpkt->buf);
399			avpkt->buf = user_pkt.buf;
400			avpkt->data = user_pkt.data;
401			av_init_packet(&user_pkt);
402			} else {
403			av_log(avctx, AV_LOG_ERROR, "Provided packet is too small, needs to be %d\n", avpkt->size);
404			av_packet_unref(avpkt);
405			ret = AVERROR(EINVAL);
406			goto finish;
407			}
408			}
409
410		3260	*got_packet = 1;
411		3260	avpkt = avci->compat_encode_packet;
412			} else {
413			if (!avci->compat_decode_warned) {
414			av_log(avctx, AV_LOG_WARNING, "The deprecated avcodec_encode_* "
415			"API cannot return all the packets for this encoder. "
416			"Some packets will be dropped. Update your code to the "
417			"new encoding API to fix this.\n");
418			avci->compat_decode_warned = 1;
419			av_packet_unref(avpkt);
420			}
421			}
422
423	✗✓	3260	if (avci->draining)
424			break;
425			}
426
427			finish:
428	✗✓	3260	if (ret < 0)
429			av_packet_unref(&user_pkt);
430
431		3260	return ret;
432			}
433
434		3200	int attribute_align_arg avcodec_encode_audio2(AVCodecContext *avctx,
435			AVPacket *avpkt,
436			const AVFrame *frame,
437			int *got_packet_ptr)
438			{
439		3200	int ret = compat_encode(avctx, avpkt, got_packet_ptr, frame);
440
441	✗✓	3200	if (ret < 0)
442			av_packet_unref(avpkt);
443
444		3200	return ret;
445			}
446
447		60	int attribute_align_arg avcodec_encode_video2(AVCodecContext *avctx,
448			AVPacket *avpkt,
449			const AVFrame *frame,
450			int *got_packet_ptr)
451			{
452		60	int ret = compat_encode(avctx, avpkt, got_packet_ptr, frame);
453
454	✗✓	60	if (ret < 0)
455			av_packet_unref(avpkt);
456
457		60	return ret;
458			}